BICSI RCDD Number: RCDD-001 Passing Score: 800 Time Limit: 120 min File Version: 4.

Transcription

1 BICSI RCDD-001 Number: RCDD-001 Passing Score: 800 Time Limit: 120 min File Version: BICSI RCDD-001 Registered Communications Distribution Designer Version 4.0 Sections 1. Principles of Transmission 2. Electromagnetic Compatibility 3. ITS Cables and Connecting Hardware 4. Work Areas 5. Horizontal Distribution Systems 6. Backbone Distribution Systems 7. Telecommunications Spaces 8. Firestopping 9. Bonding and Grounding (Earthing) 10. Power Distribution 11. Telecommunications Administration 12. Field Testing 13. Design, Construction, and Project Management 14. Private CATV Distribution Systems 15. Distributed Paging Systems 16. Building Automation Systems 17. Data Network Design 18. Wireless 19. Electronic Safety and Security 20. Outside Plant 21. Data Centers 22. Health Care 23. Special Design Considerations 24. Residential Cabling

2 Exam A QUESTION 1 The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT: A. Low pass filtering B. Periodic sampling C. Quantizing D. Companding E. Amplitude modulation Correct Answer: E Section: Principles of Transmission /Reference: QUESTION 2 The signal at the input to a balanced twisted pair cable is 10 mw. The cable is 1000 feet long and has an attenuation of 1 db per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to-noise ratio (SNR) (db) at the receiver input? A. 10 db B. 30 db C. 40 db D. 60 db E. 100 db Section: Principles of Transmission /Reference: QUESTION 3 You must place CAT6 cable above a factory floor with automated welding machines and hammer forges. Of the following, what type of shielding would be most effective? A. Multi-layer braid B. Foil and braid C. Solid metallic conduit D. Flex metallic conduit E. Sch. 40 PVC conduit Section: Principles of Transmission /Reference: QUESTION 4 Time division multiplexing (TDM) systems are designed to transport between end point systems. A. Only analog signals B. Only digital signals

3 C. A mix of both analog and digital signals D. Both analog and digital signals, but only one type at a time Section: Principles of Transmission /Reference: QUESTION 5 The public telephone system is an example of a system. A. Simplex B. Half-duplex C. Full-duplex D. Purely analog E. Purely digital Section: Principles of Transmission /Reference: QUESTION 6 A reasonable approximation for the signal speed in 100 ohm balanced twisted pair cable is, where c is the velocity of light in free space. A. 0.2 c B. 0.4 c C. 0.6 c D. 08 c E. 0.9 c Section: Principles of Transmission /Reference: QUESTION 7 Assume that the optical power transmitted by a 62.5/125 multimode fiber is distributed uniformly across its core. If this fiber is perfectly coupled (i.e., the two fibers are aligned and abutted) to a 50/125 fiber, what is the percent of power that is lost? A. 0 percent B. 36 percent C. 50 percent

4 D. 80 percent E. 100 percent Section: Principles of Transmission /Reference: QUESTION 8 You must place a cable between 2 equipment locations with separate grounds having a potential difference between them of 2.1 V rms. Which one of the following cables should NOT be used? A. Multimode B. Singlemode C. UTP D. STP Section: Principles of Transmission /Reference: QUESTION 9 A video camera has a coaxial cable output. The video signal is to be distributed to devices that have balanced twisted pair inputs. The transition between these two different transmission media can be accomplished by using a: A. Balun B. Converter C. Modulator D. Cross connect E. Transceiver Section: Principles of Transmission /Reference: QUESTION 10 Optical transmitters are typically one of the following types EXCEPT: A. Light-emitting diode (LED) B. Short wavelength laser compact disc (CD) C. Vertical cavity surface emitting laser (VCEL) D. Laser diode (LD) E. Overfilled launch (OFL) Correct Answer: E Section: Principles of Transmission /Reference:

5 QUESTION 11 All of the following are nominal wavelengths for laser light sources EXCEPT: A. 700 nm B. 850 nm C nm D nm E nm Section: Principles of Transmission /Reference: QUESTION 12 A SONET OC-1 channel can carry 672 voice signals and has a data rate of Mbps. A SONET OC-48 channel can carry 32,256 voice channels. What MINIMUM data rate is required for the OC-48 channel? A. 155 Mbps B. 622 Mbps C. 2.5 Gbps D. 5 Gbps E. 10 Gbps Section: Principles of Transmission /Reference: QUESTION 13 Wave division multiplexing (WDM) is most similar to: A. Amplitude modulation B. Frequency modulation C. Time division multiplexing D. Frequency division multiplexing E. Carrier sense multiple access with collision detection (CSMA/CD) Section: Principles of Transmission /Reference: QUESTION 14 Which of the following is NOT a form of signal coupling between two (2) circuits? A. Conductive B. Inductive C. Reactive D. Capacitive E. Electromagnetic

6 Section: Electromagnetic Compatibility /Reference: QUESTION 15 The electromagnetic spectrum of visible light lies in the frequency range of the spectrum. A. 1 GHz B. 100 GHz C. 10 THz D. 1 PHz E. 100 PHz Section: Electromagnetic Compatibility /Reference: QUESTION 16 During a site survey you notice that several CRT displays in the vicinity of the engineering copy center have sporadic visual distortion. What is the MOST likely cause? A. Electromagnetic interference (EMI) B. Radio frequency interference (RFI) C. (EMC) D. Fast transients E. Electromagnetic discharge (ESD) Section: Electromagnetic Compatibility /Reference: QUESTION 17 The potential for occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap. A. Electromagnetic interference (EMI) B. (EMC) C. Radio frequency interference (RFI) D. Fast transients E. Electrostatic discharge (ESD) Section: Electromagnetic Compatibility /Reference: QUESTION 18 Which of the following is an undesirable electromagnetic effect on a device(s)?

7 A. (EMC) B. Electromagnetic interference (EMI) C. Radio frequency interference (RFI) D. Fast transients E. Electrostatic discharge (ESD) Section: Electromagnetic Compatibility /Reference: QUESTION 19 You are required by architectural design to place UTP cables in the same space as unshielded power lines. How should you proceed with the placement of your cables? A. Require the architect/electrical engineer to place shielding in the space before your UTP is placed. B. You should provide a minimum separation of 610 mm (24 in). C. You should provide a minimum separation of 229 mm (9 in). D. You should provide a minimum of two 101 mm (4 in) RMC. Section: Electromagnetic Compatibility /Reference: QUESTION 20 You are placing Category 6 unshielded twisted-pair (UTP) in cable tray down a hallway past the elevator mechanical room. What action should you take to avoid effects of electromagnetic interference (EMI)? A. Provide a minimum separation of 1194 mm (47 in) B. Provide a minimum separation of 2060 mm (81 in) C. Require the architect to install metallic foil shielding on the mechanical room walls D. Provide RMC/IMC (rigid metallic conduit/intermediate metal conduit) through all areas within 4.6 m (15 ft) of the mechanical room Section: Electromagnetic Compatibility /Reference: QUESTION 21 The ability of a device to withstand electromagnetic disturbances from another device is: A. Electromagnetic interference (EMI) B. Radio Frequency Interference (RFI) C. (EMC) D. Fast transients E. Electrostatic Discharge (ESD) Section: Electromagnetic Compatibility

8 /Reference: QUESTION 22 A common mode (CM) signal can be converted to a differential mode (DM) signal as a result of a(n): A. Unbalanced circuit B. Grounded circuit C. Poorly timed signal D. Improper dielectric material Section: Electromagnetic Compatibility /Reference: QUESTION 23 You have discovered a common mode current on the metallic cable sheaths of your building riser cables. What is the MOST likely cause for you to investigate? A. Lack of cable protection B. Two separate and distinct ground references C. Improper secondary protection D. Improper physical protection of cable E. Improper placement and/or termination of cables Section: Electromagnetic Compatibility /Reference: QUESTION 24 You must extend a video systems backbone coax cable that was recently installed. Which of the following coaxial cable types would provide the best performance for both analog and digital video? A. Series 6 B. Series 11 C. RG 16 D. RG 59 E. RG 62 Section: ITS Cables and Connecting Hardware /Reference: QUESTION 25 Which of the following is NOT a design consideration for broadband video distribution? A. Amplifier link budgets B. Adhering to the 90 meter (295 feet) rule for horizontal distribution C. Amplifier cascade limitations

9 D. Environmental factors E. Drop length Section: ITS Cables and Connecting Hardware /Reference: QUESTION 26 The RJ-45 is now known as the 8P8C style connector, per the Telecommunications Industry Association (TIA) standard. What does the P and C stand for? A. Plug and connector B. Position and connector C. Position and contact D. Plug and contact Section: ITS Cables and Connecting Hardware /Reference: QUESTION 27 Which of the following is true about screened twisted pair cable assemblies? A. The drain wire and screen foil must be bonded at one end only. B. The drain wire and screen foil must be bonded at every connection. C. There is no need to bond the screen foil or drain because it is not important. D. The drain wire and screen foil must be separately bonded at opposite ends. Section: ITS Cables and Connecting Hardware /Reference: QUESTION 28 If looking to specify an optical fiber backbone within a building going 275 m (902 ft) between the equipment room (ER) and the telecommunications room (TR), what type of fiber should be specified to support a 10 GB ethernet application? A. OM1 B. 50 micron multimode C. 50 micron laser optimized multimode D micron multimode Section: ITS Cables and Connecting Hardware /Reference: QUESTION 29 This type of cable is an unbalanced system:

10 A. Unshielded twisted-pair (UTP) B. Shielded twisted-pair (STP) C. Screened twisted-pair (ScTP) D. Coaxial Section: ITS Cables and Connecting Hardware /Reference: QUESTION 30 The ability of a conductors insulation to transmit an electric field is called: A. Conductivity B. Transmitability C. Permittivity D. Capacitance E. Reactance Section: ITS Cables and Connecting Hardware /Reference: QUESTION 31 What type of fiber optic cable is manufactured to protect individual glass strands and is primarily designed for use inside buildings? A. Ribbon B. Tight buffered C. Loose tube D. Air blown Section: ITS Cables and Connecting Hardware /Reference: QUESTION 32 You are extending 1000 MHz video service from your existing headend to a new equipment room (ER). Your existing incoming video signal is plus (+) 15 dbmv. You have three two-way splitters with a total of minus (-) 15 db. You are adding 122 m (400 ft) of series 11 (RG 11) cable with a minus (-) 18 db with eight single end F-connectors with a total of minus (-) 1.2 db. From the selections below, what is the MINIMUM gain amplifier required in the headend room? A. Plus (+) 15 db B. Plus (+) 20 db C. Plus (+) 25 db D. Plus (+) 30 db E. Plus (+) 35 db

11 Section: ITS Cables and Connecting Hardware /Reference: QUESTION 33 Which of the following is NOT a type of connector for optical fiber? A. LC B. ST C. SFF D. S/FTP E. SC Section: Work Areas /Reference: QUESTION 34 The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is: A. 75 mm (3 in) B. 150 mm (6 in) C. 300 mm (12 in) D. 610 mm (24 in) E mm (48 in) Section: Work Areas /Reference: QUESTION 35 A furniture cluster with 26 requires a MINIMUM of how many multiuser telecommunications outlet assembly (MUTOA)? A. 1 B. 2 C. 3 D. 4 E. 5 Section: Work Areas

12 /Reference: QUESTION 36 An open office design is made up of three furniture clusters and contains a total of nine. How many multiuser telecommunications outlet assemblies (MUTOA) should be in the design? A. 1 B. 3 C. 4 D. 6 E. 9 Section: Work Areas /Reference: QUESTION 37 Which of the following is NOT true about consolidation points? A. They are not to be used for direct connections to active equipment. B. They allow horizontal cables to be extended into work area pathways. C. They are to be terminated on separate connectors for each individual user. D. The maximum length of cable from the consolidation point (CP) to the outlet varies by media type. Section: Work Areas /Reference: QUESTION 38 When installing outlet boxes in ten private offices in an area which may prove to be difficult to install future additional telecommunications outlets, the MINIMUM quantity of outlet boxes that should be installed is: A. 10 B. 20 C. 30 D. Based on the type of cabling specified Section: Work Areas /Reference: QUESTION 39 Assuming the total fill capacity of a pathway is 100 cables (all of the same cable type and size), the MAXIMUM number of cables to be installed during the initial installation, without exceeding the fill ratio is: A. 25 B. 40

13 C. 50 D. 60 Section: Work Areas /Reference: QUESTION 40 On a project with three small conference rooms, a break room, and twelve private offices, what is the MINIMUM number of telecommunications outlet boxes required? A. 16 B. 24 C. 28 D. 40 E. 46 Section: Work Areas /Reference: QUESTION 41 A telecommunications outlet/connector may be provided using all listed below EXCEPT: A. Wireless AP connectivity B. Balanced twisted-pair outlets C. Optical fiber connectors D. 4p4c (4 position, 4 contact) connector Section: Work Areas /Reference: QUESTION 42 Important considerations when designing telecommunications distribution within modular furniture include all of the following EXCEPT: A. How the furniture pathways will be connected to horizontal building pathways B. Separation of telecommunications cabling and electrical power C. Diameter of cable to be installed D. Maximum initial fill ratio of 40 percent when derated because of corners Section: Work Areas /Reference: QUESTION 43 In a run requiring 15 m (50 ft) of cable between the floor distributor and the consolidation point, the

14 MAXIMUM length of cable allowed between the CP and the telecommunications outlet is: A m (90 ft) B m (120 ft) C m (150 ft) D. 75 m (242 ft) E. 90 m (295 ft) Section: Work Areas /Reference: QUESTION 44 The MINIMUM finished height of access flooring in a general office area is: A. 50 mm (2 in) B. 150 mm (6 in) C. 200 mm (8 in) D. 250 mm (10 in) E. 300 mm (12 in) Section: Horizontal Distribution Systems /Reference: QUESTION 45 Which of the following is NOT an advantage of access floor systems? A. They have a low initial cost B. They are designed for high capacity C. They are aesthetically acceptable for office decor D. Cabling is easily accessible across the entire floor E. Changes can be made quickly with little occupant disruption Section: Horizontal Distribution Systems /Reference: QUESTION 46 In the ceiling zone method of distribution, the usable floor area should be divided into zones each measuring: A. 9.3 sq m (100 sq ft) to 23 sq m (250 sq ft) B. 23 sq m (250 sq ft) to 56 sq m (600 sq ft) C. 23 sq m (250 sq ft) to 84 sq m (904 sq ft) D. 56 sq m (600 sq ft) to 84 sq m (904 sq ft) E. 56 sq m (600 sq ft) to 100 sq m (1,100 sq ft)

15 Section: Horizontal Distribution Systems /Reference: QUESTION 47 Which type of cable tray is best described as a ventilated bottom with side rails? A. Ventilated channel B. Ladder C. Spline D. Ventilated trough E. Basket tray Section: Horizontal Distribution Systems /Reference: QUESTION 48 The standard floor space coverage area for each building automation system (BAS) is a BAS outlet or device for every of floor space. A. 9.3 sq m (100 sq ft) B. 23 sq m (250 sq ft) C. 31 sq m (330 sq ft) D. 56 sq m (600 sq ft) E. 84 sq m (904 sq ft) Section: Horizontal Distribution Systems /Reference: QUESTION 49 Perimeter raceway systems should be used primarily for: A. Underfloor pathway B. Apartments or hotels where molding is accessible in the work area C. Warehouses with minimal telecommunications services D. Small floor areas where the majority of telecommunication services will be along the walls E. Equipment rooms where cable tray is cost prohibitive Section: Horizontal Distribution Systems /Reference: QUESTION 50 You are designing a horizontal distribution system that will have a zone box located 71.6 m (235 ft) away from the telecommunications room (TR). A 50 mm (2 in) conduit is designed from the TR to a pull box located 36.6 m (120 ft) away from the TR. A 1 1/2 inch conduit is designed from the pull box to the zone box located 35.1 m (115 ft) beyond the pull box. Assuming no conduit bends, and excluding the TR and

16 zone box, what is the total number of pull boxes/pull points required in this horizontal conduit system between the telecommunications room (TR) and zone box? A. 2 B. 3 C. 4 D. 5 Section: Horizontal Distribution Systems /Reference: QUESTION 51 You are designing a horizontal pathway system where you will provide 100 mm (4 in) conduit and pull boxes. The building architectural elements will only allow for a single layer of conduits (not stacked). The main horizontal pathway system consists of five 100 mm (4 in) conduits. Large single sheath copper cables are not expected to be placed. Which of the following is the MINIMUM width pull box that is to be provided? A. 600 mm (24 in) B. 900 mm (36 in) C mm (48 in) D mm (60 in) E mm (72 in) Section: Horizontal Distribution Systems /Reference: QUESTION 52 A conduit run is installed from the ER to a TR. It has two (2) 90 degree bend and a length of 20 m (65 ft). What will be the MINIMUM test rating of the pull cord left in the conduit? A. 20 kg (44 lb) B. 40 kg (88 lb) C. 60 kg (132 lb) D. 90 kg (200 lb) E. 100 kg (220 lb) Section: Horizontal Distribution Systems /Reference: QUESTION 53 Cables are installed in a ceiling in a straight line. The ceiling run is 60 m (200 ft) in length. What is the MINIMUM number of J-hooks required to support the cables? A. 20 B. 30 C. 40 D. 50

17 E. 60 Section: Horizontal Distribution Systems /Reference: QUESTION 54 An existing ceiling raceway system has 115,000 sq mm (177 sq in) of cross-sectional area available for distribution of cable runs. How many can be served by the existing system? A. 115 B. 160 C. 177 D. 189 E. 195 Section: Horizontal Distribution Systems /Reference: QUESTION 55 The standard floor space coverage area for each building automation system (BAS), is a BAS outlet or device for every of floor space. A. 9.3 m 2 (100 ft 2) B. 23 m 2 (250 ft 2) C. 31 m 2 (330 ft 2) D. 56 m 2 (600 ft 2) E. 84 m 2 (904 ft 2) Section: Horizontal Distribution Systems /Reference: QUESTION 56 Which of the following statements best describes what a backbone distribution system typically provides? A. Cabling from the HC to the WA B. Pathway from the HC to the WA C. Conduit in a building riser D. Building connections between floors in a multistory building E. Copper cabling installed in a large building Section: Backbone Distribution Systems /Reference:

18 QUESTION 57 When designing a backbone distribution system, you will need to include a telecommunications enclosure (TE). A TE can be defined as a: A. Splice point for copper cabling only B. Point where the backbone cabling interfaces to the horizontal cabling and may be utilized in place of a traditional Telecommunications Room (TR) C. Location for housing building cross-connect cabling only D. Location to house the splice transitioning from outdoor to indoor cabling only E. Facility to store slack copper and fiber cables Section: Backbone Distribution Systems /Reference: QUESTION 58 When designing a backbone distribution system, you are asked to include a combination of media types. Your choice of media types include: A. Copper and fiber only B. Fiber and wireless only C. Fiber and coaxial cable only D. Wireless and coaxial cable only E. Any combination of copper, fiber, and wireless Correct Answer: E Section: Backbone Distribution Systems /Reference: QUESTION 59 When designing a campus distribution system involving small buildings with only one horizontal crossconnect (HC) [Floor distributor (FD)] per building, you can eliminate the need for a(n): A. Intermediate cross-connect (IC) Building distributor (BD) B. Main cross-connect (MC) Campus distributor (CD) C. Horizontal cross-connect (HC) Floor distributor (FD) D. Entrance facility (EF) E. Latching connector (LC) Section: Backbone Distribution Systems /Reference: QUESTION 60 When reviewing a backbone distribution system within a building provided to you for standards compliance, you see that there are several cables with bridge taps built in. Which one of the following options is correct? A. Ensure all cables meet maximum lengths to ensure standards compliance B. Ensure all cables exceed minimum cable lengths to avoid NEXT(near-end crosstalk) C. Provide recommendations to remove all bridge taps

19 D. Provide recommendations to remove one bridge tap per cable E. Do nothing as the design will pass all design parameters Section: Backbone Distribution Systems /Reference: QUESTION 61 A backbone star topology shall have no more than level(s) of cross-connections. A. One B. Two C. Three D. Four E. Five Section: Backbone Distribution Systems /Reference: QUESTION 62 Exhibit: This diagram illustrates a campus backbone design.

20 A. Hierarchical star B. Ring topology C. Bus topology D. Inverted star E. Collapsed ring Section: Backbone Distribution Systems /Reference: QUESTION 63 Exhibit: This diagram illustrates an example of a: A. Multiple one level backbone designs B. Multiple hierarchical level campus backbone design C. Poorly designed single level campus backbone design D. Well laid out single level campus backbone design E. Multi level campus design ready for an easy separation into 3 single level designs Section: Backbone Distribution Systems /Reference: QUESTION 64

21 When designing a connection to an outlying building you decide to choose a physical ring. Your primary reason for considering a physical ring is: A. You have easy access to an existing pathway B. The design is quick and easy to install C. The campus suits this design D. The design is cost effective E. The physical ring provides a redundant cable path for disaster recovery Correct Answer: E Section: Backbone Distribution Systems /Reference: QUESTION 65 In reviewing your client's network needs for today and 5 years into the future, you note their current specs call for a 1Gb/s network within a campus environment, with little or no possibility of any increased bandwidth demands until they move to their planned future site. The building is not large, and the cable lengths will not exceed 550 m (1804 ft). Your recommendation for the fiber to be installed in the backbone is: A. OM1 fiber B. OM2 fiber C. OM3 fiber D. OM1, OM2, or OM3 will work E. OS1 equipped with attenuators Section: Backbone Distribution Systems /Reference: QUESTION 66 You are reviewing a building backbone design with a vertically aligned telecommunications room (TR). In the spec you note in a footnote with details that the slots at one end of the telecommunications room (TR) must be flush with the floor and the sleeves provide at the end of the telecommunications room (TR) must also be flush. In your meeting with the electrical engineering firm that has provided the spec, you make the comment that according to best practices, the MINIMUM that slots and sleeves must extend above the finished floor are: A. 25 mm (1 in) for slots and 51 mm (2 in) B. 25 mm (1 in) for slots and 25 mm (1 in) C. 51 mm (2 in) for slots and 25 mm (1 in) D. 51 mm (2 in) for slots and 51 mm (2 in) E. 64 mm (2 1/2 in) for slots and 64 mm (2 1/2 in) Section: Backbone Distribution Systems /Reference: QUESTION 67 You are given a choice of methods of routing backbone cabling vertically through a building. The one option that you do NOT want to use is:

22 A. Open shafts B. Metallic raceways C. Slots D. Sleeves E. Elevator shafts Correct Answer: E Section: Backbone Distribution Systems /Reference: QUESTION 68 When installing a heavy backbone cabling vertically, recommended methods of securing the cable include all of the following EXCEPT: A. Tie wraps B. Brackets C. Steel or plastic straps D. Collar or mesh basket grips E. Steel cable ties Section: Backbone Distribution Systems /Reference: QUESTION 69 The decision regarding the number of optical fibers to install (fiber strand count) in a backbone depends largely on all of the following EXCEPT: A. Level of multiplexing B. Intended end-user applications C. Physical topology of the cabling system D. Distance between telecommunications room (TR) E. Cabling system configuration Section: Backbone Distribution Systems /Reference: QUESTION 70 Rack mounted hardware is installed in two standard sized racks or cabinets. Those sizes are:

23 A. 482 mm (19 in) and 584 mm (23 in) B. 482 mm (19 in) and 762 mm (30 in) C. 610 mm (24 in) and 762 mm (30 in) D. 762 mm (30 in) and 914 mm (36 in) E. 482 mm (19 in) and 1020 mm (40 in) Section: Backbone Distribution Systems /Reference: QUESTION 71 Multimode optical fiber is generally used for campus or building applications due to the ability to use cost effective: A. Connectors B. Cable C. Installation methods D. Transceivers E. Designs Section: Backbone Distribution Systems /Reference: QUESTION 72 You have been asked to design a backbone cable connecting two large campus buildings. Your pathways will include using conduits, maintenance holes, and one section of 100 m (328 ft) of direct buried optical fiber cable. Your choice of fiber optic cable type recommendation is a: A. Distribution cable B. Loose tube cable C. Loose tube cable containing a water blocking compound D. Distribution cable with an armored coating E. Distribution cable with a water blocking compound Section: Backbone Distribution Systems /Reference: QUESTION 73 Optical fiber all-dielectric cables have an additional advantage over ones containing a steel strength member. That advantage is:

24 A. More resistant to rodent damage B. More difficult to damage C. More resistant to lightning and electrical conduction D. Cables are made of a tougher outer PVC jacket Section: Backbone Distribution Systems /Reference: QUESTION 74 One of the advantages of using optical fiber in the backbone installation is: A. More cost effective B. Immunity to EMI C. Safer to install D. Requires less skill to install E. Has better manufacturer support Section: Backbone Distribution Systems /Reference: QUESTION 75 When designing a fiber backbone using cable with an armored sheath, a major consideration that you must address is: A. Type of metal used in the sheath B. Strength of the armored sheath C. Amount of aluminum contained in the armored sheath D. Amount of steel in the sheath as rust is an issue E. Bonding and grounding of the armored sheath Correct Answer: E Section: Backbone Distribution Systems /Reference: QUESTION 76 You have been asked to project manage a fiber cable backbone installation. In the course of the installation, you notice the fiber cable with a 25 mm (1 in) outside diameter is being installed into a small TR, and the cable is being installed into a tight corner. Based on your knowledge of minimum bend radius requirements for fiber cable, you must ensure that the MINIMUM cable bend radius of is provided when the cable installation is completed. A. 254 mm (10 in) B. 305 mm (12 in) C. 381 mm (15 in) D. 457 mm (18 in) E. 610 mm (24 in)

25 Section: Backbone Distribution Systems /Reference: QUESTION 77 An installation crew is pulling an optical fiber cable into a riser. The cable has an outside diameter of 25 mm (1 in). As the cable is being pulled off the reel and through a pulley into the riser, you must verify that the minimum bend radius for the cable being pulled is observed. The pulley must be sized at a MINIMUM of: A. 254 mm (10 in) B. 381 mm (15 in) C. 508 mm (20 in) D. 635 mm (25 in) E. 762 mm (30 in) Section: Backbone Distribution Systems /Reference: QUESTION 78 The maximum vertical rise is the distance over which the cable is vertically self-supporting. This distance is a function of the weight of the cable and the: A. Sheath fire rating B. Number of strands of fiber in the cable C. Type of hangers used in the riser D. Type of fire stop used in the riser E. Cable maximum tensile rating Correct Answer: E Section: Backbone Distribution Systems /Reference: QUESTION 79 In the customer's environment, an ITS designer should avoid the need for optical fiber field splicing by: A. Installing oversized inner duct B. Using oversized cable trays C. Using pre-connectorized cables D. Installing a continuous length of cable E. Using multiple pull boxes Section: Backbone Distribution Systems /Reference: QUESTION 80

26 A campus backbone design linking two buildings requires that you install a high-fiber-count cable very quickly, using the conduit system provided. Cost is not so much an issue as urgency is to meet a service demand. Your first choice of fiber cable installation is to use: A. Multiple sheathed cables with field connectorization B. Multiple sheathed cables using pigtail connectorization C. Single high fiber count sheathed cable with field connectorization D. Single sheathed high-fiber-count cable with pigtail connectorization E. Single sheathed cable equipped with preconnectorized assemblies Correct Answer: E Section: Backbone Distribution Systems /Reference: QUESTION 81 The MINIMUM recommended lighting requirement in a telecommunications room (TR) at the point of cable terminations is: A. 150 lux B. 300 lux C. 500 lux D. 750 lux E lux Section: Telecommunications Spaces /Reference: QUESTION 82 A building has a floor space of 16.7 m (55 ft) by 45 m (150 ft) with a common core measuring 9.17 m (30 ft) by 13.7 m (45 ft). How many individual can be provided in the usable floor space? A. 50 B. 58 C. 69 D. 77 E. 85 Section: Telecommunications Spaces /Reference: QUESTION 83 "A single outlet utilizing a dedicated phase, neutral, and ground conductor" is the definition for which of the following? A. Feeder circuit B. Ground fault receptacle C. Dedicated branch circuit D. "Daisy-chained" series of receptacles

27 Section: Telecommunications Spaces /Reference: QUESTION 84 You have been selected to do the telecommunications design on a new, single story building. The architect requires the size and location of the telecommunications rooms so their building design can proceed. From the items listed below (all of which are required for the design), which one is the logical starting point in order to provide the architect with a size and location for the room? A. Determine where the entrance facility will be B. Determine the number of, their locations, and telecommunications services needed C. Determine the power, HVAC, electrical, and security requirements for the room D. Determine future growth and other requirements E. Determine the types of equipment to be installed in the room Section: Telecommunications Spaces /Reference: QUESTION 85 When allocating termination space for CAT 6 and optical fiber cables, it is recommended that additional space of up to percent be considered for the routing of the cables and patch cords. A. Five B. Ten C. Twenty D. Thirty Section: Telecommunications Spaces /Reference: QUESTION 86 The recommended ratio of patch panels to horizontal cable management panels is RU of patch panel to rack unit (RU) of horizontal cable management panel. A. One; one B. One; two C. Two; one D. Two; three Section: Telecommunications Spaces /Reference: QUESTION 87

28 In a telecommunications room (TR), the MINIMUM bottom edge height recommendation for mounting plywood on the wall is above AFF. A. 51 mm (2 in) B. 152 mm (6 in) C. 200 mm (8 in) D. 305 mm (12 in) E. 410 mm (16 in) Section: Telecommunications Spaces /Reference: QUESTION 88 You are starting work on a new high school. The architect has provided you with a telecommunications room located between the kitchen cold store room and the automotive and welding shops. What should you do? A. Work with the architect to find another location B. Insist that the welding shop be placed as far from the telecommunications space as possible C. File a complaint with the client D. Provide shielded cable tray in the telecommunications room and in the outer halls E. Request that shielding be placed around the compressors and the arc welding units Section: Telecommunications Spaces /Reference: QUESTION 89 If the usable floor space is unknown, then deduct percent of the total area available to estimate the usable area. A. Five B. Ten C. Fifteen D. Twenty E. Twenty five Section: Telecommunications Spaces /Reference: QUESTION 90 You have determined that the equipment room (ER) you are designing will be the minimum size of 15 sq m (160 sq ft) and is servicing 80 but architectural changes will add 175, which will require you to add a horizontal cross-connect (HC). What size should the equipment room (ER) be? A. 18 sq m (193 sq ft) B. 23 sq m (250 sq ft) C. 31 sq m (330 sq ft)

29 D. 37 sq m (400 sq ft) E. 47 sq m (500 sq ft) Section: Telecommunications Spaces /Reference: QUESTION 91 In a telecommunication room (TR), the is the facility used to make cross connections from the backbone cable to the horizontal cable. A. Horizontal cross-connect (HC) B. Entrance facility (EF) C. Intermediate cross-connect (IC) D. Main cross-connect (MC) Section: Telecommunications Spaces /Reference: QUESTION 92 A building can have multiple equipment rooms (ERs) for all of the following reasons EXCEPT: A. To provide redundancy B. For separate tenants C. To house different types of equipment D. To serve multiple Access point (APs) and/or Service provider (SPs) E. To accommodate office and work space Correct Answer: E Section: Telecommunications Spaces /Reference: QUESTION 93 In addition to voice and data services, an equipment room (ER) can be designed to include all of the following EXCEPT: A. CATV and CCTV facilities B. Life safety facilities C. Building electrical service monitoring and controls D. Audio and paging equipment E. General premise monitoring and security systems Section: Telecommunications Spaces /Reference:

30 QUESTION 94 You are designing a cabling system for a chemical plant. What type of device is needed to prevent the spread of fire along the cable other than the barrier penetrations? A. Fire break B. Fire shield C. Fire stop D. Fire wall Section: Firestopping /Reference: QUESTION 95 What type of material does NOT support combustion even under accelerated conditions? A. Fire break B. Fire proof C. Fire resistant D. Fire retardant Section: Firestopping /Reference: QUESTION 96 A(n) system is considered a mechanical firestop. A. Cementitious B. Cable transit C. Firestop block D. Intumescent sheet Section: Firestopping /Reference: QUESTION 97 Which of the following is a nonmechanical firestop system? A. Cable transit system B. Firestop blocks C. Fire rated pathway device D. Factory fabricated sleeve system Section: Firestopping /Reference:

31 QUESTION 98 Most types of firestop putty have properties. A. Water based B. Cementitious C. Intumescent D. Silicone based Section: Firestopping /Reference: QUESTION 99 A fire is a contained area that is completely enclosed by fire resistant walls, floors, and ceilings. A. Rated system B. Stop system C. Wall D. Zone Section: Firestopping /Reference: QUESTION 100 You are designing the cabling infrastructure for a lab office building that will frequently change tenants. The owner will be responsible for all of the infrastructure that feeds each floor to include the telecommunication rooms. Which firestop method will best suit the owners needs? A. Cable transit system B. Factory fabricated sleeve system C. Firestop pillow system D. Silicone foam system Section: Firestopping /Reference: QUESTION 101 A eliminates the need to remove or install materials. A. Cast-in-place device B. Cable transit system C. Fire-rated pathway device D. Factory fabricated sleeve system Section: Firestopping

32 /Reference: QUESTION 102 Cementitious materials are based materials. A. Dry powder B. Latex C. Solvent D. Sand Section: Firestopping /Reference: QUESTION 103 The F rating for a framed wall/stud wall is hour(s). A. One B. Two C. Three D. Four Section: Firestopping /Reference: QUESTION 104 You are designing a firestop system for a hospital with several floors that have isolation rooms. Air leakage control is important to ensure rooms are sealed and restrict the spread of disease. Which firestop test rating should you use to ensure air leakage compliance? A. F rating B. L rating C. T rating D. W rating Section: Firestopping /Reference: QUESTION 105 The MINIMUM dimensions of the telecommunications main grounding busbar is and variable in length. A. 4 mm (0.16 in) x 80 mm (3.15 in) B. 6.3 mm (0.25 in) x 100 mm (4 in) C. 8 mm (0.31 in) x 110 mm (4.33 in)

33 D mm (0.41 in) x 140 mm (5.51 in) E mm (0.50 in) x 175 mm (6.89 in) Section: Bonding and Grounding (Earthing) /Reference: QUESTION 106 Certain systems must exist relative to bonding and grounding at every site. Which of the following is NOT one such system? A. AC grounding electrode system (e.g., in some countries it may also be known as the earthing system) B. Telecommunications bonding infrastructure C. Lightning protection system D. Equipment grounding system (e.g., in some countries it may also be known as the equipment bonding system) Section: Bonding and Grounding (Earthing) /Reference: QUESTION 107 As a guide, the recommended maximum AC current value on any bonding conductor should be less than amperes. A B. 1 C. 5 D. 10 E. 20 Section: Bonding and Grounding (Earthing) /Reference: QUESTION 108 You are designing a telecommunications grounding system for a telecommunications room (TR). The TMGB is located 15 m (50 ft) from the telecommunications rack. What is the MINIMUM AWG of the ground conductor required? A. Two B. Three C. Four D. Six E. Eight Section: Bonding and Grounding (Earthing)

34 /Reference: QUESTION 109 The impedance of the equipment grounding conductor can only be accurately measured with an instrument known as a(n): A. Volt ohm meter B. Power distribution unit C. Exothermic weld connection D. Ground impedance tester E. Amp calculator Section: Bonding and Grounding (Earthing) /Reference: QUESTION 110 Based on documentation contained within the Insulated Cable Engineers Association (ICEA) standard P32-382, Short Circuit Characteristics of Insulated Cable, a copper conductor is capable of safely carrying one ampere for second(s) for every circular mils. A. One B. Five C. Twelve D. Twenty E. Thirty Section: Bonding and Grounding (Earthing) /Reference: QUESTION 111 Which of the following is NOT provided by the ac grounding electrode system? A. Zero volt reference for AC power B. A path for dissipating electrical current C. A path for dissipating electrostatic discharge D. Adequate electrical protection for people and equipment Section: Bonding and Grounding (Earthing) /Reference: QUESTION 112 Often associated with raised flooring, a(n) may consist of copper straps taped to the concrete floor, or it may be the floor itself with the stringers that support the tiles acting as the bonding conductor across the gradient of the floor. A. Grounding electrode conductor (GEC)

35 B. Electrical ground bar (EGB) C. Signal reference grid (SRG) D. Telecommunications bonding backbone (TBB) E. Drain wire Section: Bonding and Grounding (Earthing) /Reference: QUESTION 113 As a guide, the MAXIMUM recommended DC current value on any bonded conductor should be less than: A. 250 milliamps B. 500 milliamps C. 750 milliamps D. 1 amp E amps Section: Bonding and Grounding (Earthing) /Reference: QUESTION 114 The recommended MAXIMUM value for the bonding resistance between the nearest available grounding electrode and the busbar in an entrance facility (EF) is ohms. A. 0.1 B. 0.5 C. 1 D. 2 E. 5 Section: Bonding and Grounding (Earthing) /Reference: QUESTION 115 Phase difference is the relationship in time between two waveforms of the same: A. Power B. Voltage C. Frequency D. Current Section: Power Distribution /Reference:

36 QUESTION 116 Using Ohms law, a circuit of 120 volts and a resistance of 15 ohms will have a current of amps. A. 5 B. 8 C. 10 D. 12 E. 15 Section: Power Distribution /Reference: QUESTION 117 If you have a circuit with 120 volts, 12 amps, and 10 ohms, it has a peak power of watts. A B C D Section: Power Distribution /Reference: QUESTION 118 The formula for calculating BTUs from electrical power is: A. W x B. W x C. W x D. W x Section: Power Distribution /Reference: QUESTION 119 A rapid increase in voltage with a duration of half a cycle best describes a(n): A. Swell B. Overvoltage C. Transient D. Frequency variation Section: Power Distribution

37 /Reference: QUESTION 120 You have been asked what the estimated power cost will be per month (30 days) for the new equipment room you are designing. The power load you have calculated to be an average of 1850 watts per hour. What is the monthly cost assuming the cost of electricity is 7.5 cents (U.S.) per kilowatt hour? A. $44.40 B. $55.50 C. $99.90 D. $ E. $ Section: Power Distribution /Reference: QUESTION 121 The average power consumption in a telecommunications room (TR) is 2260 watts per hour. What is the heat dissipation in BTUs? A BTU B BTU C BTU D BTU Section: Power Distribution /Reference: QUESTION 122 Which of the following refers to the increase in the nominal voltage for a duration of 3600 cycles? A. Swell B. Overvoltage C. Transient D. Sag Section: Power Distribution /Reference: QUESTION 123 Multiples of the basic frequency of an electrical waveform are called: A. Transients B. Noise inductions C. Harmonics D. Random frequency variations

38 Section: Power Distribution /Reference: QUESTION 124 An isolated ground is used to: A. Reduce transients B. Prevent interruptions C. Reduce EMI/RFI D. Reduce swells and sags Section: Power Distribution /Reference: QUESTION 125 All of the following are used to control static discharge EXCEPT: A. Ion generator B. Discharge plates and bracelets C. Maintenance of humidity of between 30 and 55 percent D. Installation of isolated grounds Section: Power Distribution /Reference: QUESTION 126 You are designing a large equipment room (ER) that will house many servers, switches, backup storage drives, and other communications equipment including peripheral devices. To prevent problems from harmonic currents that can be created by switching power supplies, you should arrange for: A. Isolated grounding B. Oversized neutral and grounding conductors C. Surge protection on power supply D. A 3-phase feeder supply separate from the building supply E. Power filtering at the service panel Section: Power Distribution /Reference: QUESTION 127 A large telecommunications facility, by most codes, must be designed with an EPO switch located at: A. The facility entrance or exit

39 B. The main power panel C. Between the main power panel and the transformer D. Near each bank of equipment in the telecommunications space Section: Power Distribution /Reference: QUESTION 128 You have been asked to provide a N+1 level of power redundancy in the new equipment room (ER) being designed with a Tier-II power supply. What should you do? A. Provide a UPS that serves all of the equipment in the facility. B. Provide two separate UPS units with an automatic power failure transfer to serve entire facility. C. Provide two separate UPS units with each one serving half the equipment in the facility. D. Provide two separate UPS systems with one serving the entire facility and the second on automatic power failure transfer to serve critical circuits only. Section: Power Distribution /Reference: QUESTION 129 DC loads are generally expressed in: A. Amperes B. Volts C. Voltage amperes (VA) D. Watts Section: Power Distribution /Reference: QUESTION 130 You have been asked to provide a UPS that is always serving the load from its batteries and the electrical supply is used only to recharge the batteries. Which one of the following types of UPS will meet this requirement? A. Off line, standby B. Line interactive C. Online double conversion D. Rotary E. Flywheel Section: Power Distribution /Reference:

40 QUESTION 131 For the telecommunications industry, the nominal operating voltage is volts DC. A B. 24 C D. 48 Section: Power Distribution /Reference: QUESTION 132 Which of the following electrical devices is used to convert AC to DC? A. Inverter B. Rectifier C. Transformer D. Line filter Section: Power Distribution /Reference: QUESTION 133 Which class of the system applies when the premise only has a single equipment room (ER), and it is the only telecommunications space administered? A. Class 1 B. Class 2 C. Class 3 D. Class 4 Section: Telecommunications Administration /Reference: QUESTION 134 Class administration provides for the telecommunications infrastructure administration needs of a single building, or of a tenant served by a single or multiple. It also includes administration for backbone cabling, systems, and.

41 A. 1 B. 2 C. 3 D. 4 Section: Telecommunications Administration /Reference: QUESTION 135 Color codes for cross-connections fields have been used for many years. Which color is used to identify campus backbone? A. Brown B. Blue C. Green D. Purple E. White Section: Telecommunications Administration /Reference: QUESTION 136 If a telecommunications grounding busbar is installed in the telecommunications room (TR) with the identifier of 310, located on the third floor, then the telecommunications grounding busbar should be labeled as: A. TGB-310 B. TGB C. TGB in TR 310 D. TGB in room 310 E. No need to identify as there is only one per TR Section: Telecommunications Administration /Reference: QUESTION 137 In an industry where a high level of humidity is measured, which type of label should be used? A. Moisture-induced decay and degradation resistant B. Ultraviolet (UV) light protected C. Heat and cold resistant D. Smudge resistant E. Chemical resistant Section: Telecommunications Administration

42 /Reference: QUESTION 138 Which one of the following is part of the security metric to consider in selecting the appropriate labels for an administrative system? A. Tamper resistance B. Smudge resistance C. Temperature rating D. Adhesive type E. Moisture content Section: Telecommunications Administration /Reference: QUESTION 139 When labeling pathways, which one of the following guidelines should be met? A. Labeling should be affixed at the ends of each pathway. B. Pathways should not be labeled at regular intervals to avoid labeling removal during cable installation. C. Avoid marking conduits from the main equipment room (ER). D. Pathways do not need to have unique identifiers as they are only supporting cables. E. Only pathways containing fire/life/safety systems and electrical system should be labeled to prevent interference with other applications. Section: Telecommunications Administration /Reference: QUESTION 140 Color codes for cross-connection fields have been used for many years. Which color is used to identify network connections? A. Green B. Orange C. Purple D. Yellow E. Brown Section: Telecommunications Administration /Reference: QUESTION 141 Assume the following: - An equipment room (ER) consists of 16 racks arranged in 4 equal rows - The first 4 racks are numbered R1-1 though R1-4

43 - The second 4 racks are numbered R2-1 through R2-4 - A new equipment shelf with 12 slots is to be installed in the bottom of the third rack in the second row - Each slot has 2 ports What would be the identifier of the two ports on the eighth slot of the new equipment shelf? A. R and R B. R and R C. R and R D. R and R E. R and R Section: Telecommunications Administration /Reference: QUESTION 142 Which class of the system was created to secure a single equipment room (ER)? A. Class 1 B. Class 2 C. Class 3 D. Class 4 Section: Telecommunications Administration /Reference: QUESTION 143 Color codes for cross-connections fields have been used for many years. Which color is used to identify horizontal cable? A. Blue B. Green C. Purple D. Orange E. Brown Section: Telecommunications Administration /Reference: QUESTION 144 When balanced twisted-pair copper cabling, return loss is a measurement of the: A. Worst case difference in magnitude between the expected insertion loss and the actual measured insertion loss B. Reflection of signal power resulting from the insertion of a device in a transmission line (in db) C. Signal coupling between any two pairs along the entire length of the cabling D. Loss in signal resulting from the insertion of a component, of link, or channel, between a transmitter and

44 a receiver E. Time required for a signal to travel from one end of the transmission path to the other end Section: Field Testing /Reference: QUESTION 145 You have been asked to test and troubleshoot an installed base of cabling that is believed to be causing network problems. You are finding that there are high levels of return loss upon initial testing. What testing will best determine the reasons for these failures? A. Power meter B. Continuity testing C. Level II testing D. Time domain reflectometer (TDR) Section: Field Testing /Reference: QUESTION 146 Exhibit: The diagram below is a typical configuration for: A. Work area 3-connector permanent link B. Work area 3-connector channel C. Data center 4-connector channel D. Data center 4-connector permanent link E. Work area 4-connector permanent link Section: Field Testing /Reference: QUESTION 147 You are preparing to test newly installed open office cabling. Within the open office cabling, there are multiple consolidation points (CP) that were installed while waiting for furniture. How do you proceed with permanent link testing?

45 A. Test to each CP, then test from CP to workstation. B. Wait for open office cabling to be completed, then test to each workstation outlet, including the CP. C. Test that the CP is within 90 meters, then test again to the workstation outlet. D. Perform permanent link tests to each CP, then continuity tests from CP to each workstation outlet. E. Test to each workstation outlet, treating each outlet as a channel. Section: Field Testing /Reference: QUESTION 148 Where backbone cabling exceeds cabling lengths for the same performance or design (for product used in horizontal cabling), there are three fundamental tests which should be considered when testing. They are: A. Insertion loss (attenuation), return loss, and wiremap/strand identification B. Insertion loss (attenuation), return loss, and continuity C. Insertion loss (attenuation), return loss, and length D. Insertion loss (attenuation), continuity, and wiremap/strand identification E. Continuity, wiremap/strand identification, and propagation delay/delay skew Section: Field Testing /Reference: QUESTION 149 What is the worst case acceptance value for attenuation when testing 2000 m (6562 ft) of 50/125 multimode fiber at a wavelength of 1300 nm when the fiber has 2 connector pairs and 3 splices? A. 3.4 db B db C. 5.4 db D. 6.4 db E. 9.4 db Section: Field Testing /Reference: QUESTION 150 Premises optical fiber links should be tested: A. In one direction at one corresponding wavelength B. In one direction at both corresponding wavelengths C. Bidirectionally at one corresponding wavelength D. Bidirectionally at both corresponding wavelengths Section: Field Testing

46 /Reference: QUESTION 151 What type of estimate is based on the cost of performing similar work in the past, adjusted for current job conditions? A. Analogous B. Parametric C. Engineering D. Ledger E. PERT Section: Design, Construction, and Project Management /Reference: QUESTION 152 All of the following are considered market or regional conditions that can impact construction costs EXCEPT: A. Displacement and relocation B. Construction time frame C. Other large projects in the area D. Seasonal effects on construction costs Section: Design, Construction, and Project Management /Reference: QUESTION 153 Select the appropriate task to complete the section 2.2 of the work breakdown structure below: 2. Technician 2.1 Install rack Place fiber 2.4 Terminate fiber 2.5 Test fiber A. Prepare as-built drawings B. Install connector housing C. Clean/polish connectors D. Specify fiber Section: Design, Construction, and Project Management /Reference: QUESTION 154 What is the PERT estimate (in hours) for project design where:

47 - Optimistic time is 40 hours - Most likely time is 50 hours - Pessimistic time is 60 hours A. 40 hours B. 45 hours C. 50 hours D. 55 hours E. 60 hours Section: Design, Construction, and Project Management /Reference: QUESTION 155 When developing a safety plan, consider all of the following EXCEPT: A. Safety may be excluded from scope where an information technology system (ITS) designer is responsible for the design only B. Areas that should be addressed by the safety plan include emergency numbers and work area protection C. The safety coordinator should hold a safety meeting prior to the start of the project D. The contractor should contact the customer safety coordinator to evaluate site specific emergency procedures Section: Design, Construction, and Project Management /Reference: QUESTION 156 A scope of work should contain all of the following EXCEPT: A. Request for purchase B. Project schedule C. Project objective D. Assumptions E. Customer needs Section: Design, Construction, and Project Management /Reference: QUESTION 157 A work breakdown structure is: A. Influenced by market conditions at the time of the project execution B. A set of accounting codes C. Reflective of project organizational structure D. Easily standardized E. A replacement for a Gantt chart

48 Section: Design, Construction, and Project Management /Reference: QUESTION 158 What is the PERT estimate of time for cable placement on a given job? - Optimistic time is 100 hours - Most likely time is 125 hours - Pessimistic time is 210 hours A. 100 hours B. 125 hours C. 135 hours D. 155 hours E. 175 hours Section: Design, Construction, and Project Management /Reference: QUESTION 159 At the end of the second week of a project, the earned value (EV) of work is $8000 USd and the planned value (PV) of work is $7000 USd. What is true about the project? A. The project is ahead of schedule. B. The project is over budget. C. The project is behind schedule. D. The project is under budget. Section: Design, Construction, and Project Management /Reference: QUESTION 160 Select the appropriate task to complete section 2.2 of the work breakdown structure (WBS) below: 2 Technician 2.1 Install cabling Activate wireless A. Install access point B. Clean work area C. Install pathway for cabling D. Confirm wireless coverage Section: Design, Construction, and Project Management

49 /Reference: QUESTION 161 Which of the following does NOT describe one of the four main types of specifications? A. Based on an established standard B. Focused on exact properties and installation methods C. Calling out brand names and models D. Focusing on the desired results E. Listing maximum acceptable performance Correct Answer: E Section: Design, Construction, and Project Management /Reference: QUESTION 162 Exhibit: If a work breakdown structure (WBS) shows the tasks below, what is C, the successor task? A) Install OSP pathways B) Install fiber C). A. Hold inspection B. Create budget C. Conduct safety meeting D. Perform site survey Section: Design, Construction, and Project Management /Reference: QUESTION 163 At the end of the third week of a project, the actual cost of work performed is $7000 USd and the budgeted cost of work performed is $8000 USd. Which of the following is true? A. The project is under budget. B. The project is budget incorrect. C. The project has been back-end loaded. D. The project is over budget. Section: Design, Construction, and Project Management /Reference:

50 QUESTION 164 All of the following are true about the post construction phase EXCEPT: A. The owner is responsible to update the record copy drawings to reflect "as-built" documents. B. The contractors are resolving issues identified on the punch lists. C. The architect is involved in final acceptance and contract closeout activities. D. The construction manager is coordinating removal of construction equipment and job trailers. Section: Design, Construction, and Project Management /Reference: QUESTION 165 Which area of project management covers the blending of various subteams into a project organization with a cohesive plan? A. Integration management B. Human resources management C. Risk management D. Communications management Section: Design, Construction, and Project Management /Reference: QUESTION 166 Which is NOT a type of contract? A. Contractor submits a fixed price for the SOW B. Contractor is reimbursed for actual costs plus a fee C. Unit price is used because the SOW cannot be determined prior to bid D. Mediation panel assigns a fair price based on work completed Section: Design, Construction, and Project Management /Reference: QUESTION 167 Exhibit:

51 The figure below represents what type of chart? A. Milestone B. PERT C. Gantt D. Calendar E. Status Section: Design, Construction, and Project Management /Reference: QUESTION 168 A building has a series of CATV outlets each with cables installed back to a telecommunications room (TR), and each telecommunications room (TR) is connected to the headend. What is this type of topology called? A. Star B. Mesh C. Bus D. Series Section: Private CATV Distribution Systems /Reference: QUESTION 169 You are designing a building with a combination of Class A commercial office spaces and residences. The design program requires having unlimited cable channels available at all outlet locations. What distribution system topology will NOT provide adequate channel distribution to each location? A. Video over balanced twisted-pair B. Trunk and tap C. Home run D. Video over optical fiber Section: Private CATV Distribution Systems /Reference: QUESTION 170 What is the appropriate impedance of coaxial cable for use with broadband distribution? A. 50 B. 75 C. 100 D. 150 Section: Private CATV Distribution Systems

52 /Reference: QUESTION 171 An active video converter is used in what type of CATV cable distribution system? A. Trunk and tap B. Video over balance twisted-pair C. Video over optical fiber D. Home run Section: Private CATV Distribution Systems /Reference: QUESTION 172 A building has six floors plus a basement. Each floor is 929 sq m (10,000 sq ft) and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed from the basement headend passing through the telecommunications room (TR) on each floor. In order to maintain the LEAST signal loss passing through each telecommunications room (TR) to the next telecommunications room (TR), what device should you specify for use within each telecommunications room (TR)? A. Splitter B. Directional coupler C. Multiport tap D. Combiner Section: Private CATV Distribution Systems /Reference: QUESTION 173 A building has six floors plus a basement. Each floor is 10,000 square feet and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed from the basement headend passing through a directional coupler in each floor's telecommunications room (TR). Which leg of the coupler will have the LEAST signal loss? A. Tap B. Through C. Splitter D. Port Section: Private CATV Distribution Systems /Reference: QUESTION 174 Which of the following is NOT an element of a cable system?

53 A. Headend B. Distribution system C. Subscriber drop D. Television Section: Private CATV Distribution Systems /Reference: QUESTION 175 Exhibit: The following diagram represents what type of CATV distribution system? A. Home run B. Trunk and tap C. Video over balanced twisted-pair D. Video over optical fiber

54 Section: Private CATV Distribution Systems /Reference: QUESTION 176 The headend has several modulators assigning frequencies for distribution to the CATV network. What distribution device should you use immediately at the headend to distribute the modulator's output signals to CATV system? A. Splitter B. Directional coupler C. Combiner D. Multiport tap Section: Private CATV Distribution Systems /Reference: QUESTION 177 The headend has several audio-video playback devices within it. What piece of equipment is required to assign their output signals to specific RF carriers on the CATV system? A. Modulator B. Combiner C. Splitter D. Multiport tap Section: Private CATV Distribution Systems /Reference: QUESTION 178 Exhibit: The following diagram indicates what type of CATV distribution system? A. Trunk and tap B. Video over balanced twisted-pair C. Video over optical fiber D. Home run

55 Section: Private CATV Distribution Systems /Reference: QUESTION 179 A building has six floors plus a basement. Each floor is 10,000 square feet and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed from the basement headend passing through the telecommunications room (TR) on each floor. What is usually the MOST cost effective coaxial cable design to implement on the horizontal distribution from the telecommunications room (TR)? A. Trunk and tap B. Home run C. Video over balanced twisted-pair D. Video over optical fiber Section: Private CATV Distribution Systems /Reference: QUESTION 180 Active video converters are required for what type of CATV distribution system? A. Video over balanced twisted-pair B. Trunk and tap C. Home run D. Video over optical fiber Section: Private CATV Distribution Systems /Reference: QUESTION 181 You are designing a restaurant located within a retail mall. The ambient noise level of the restaurant is 70 db. The ambient noise level of the mall common space is 75 db. What is the MINIMUM sound pressure level (SPL) that should be used when designing the paging system within the restaurant? A. 70 db B. 75 db C. 80 db D. 85 db Section: Distributed Paging Systems /Reference: QUESTION 182 What element is typically NOT part of a paging system? A. Strobe

56 B. Distribution C. Amplification D. Loudspeakers Section: Distributed Paging Systems /Reference: QUESTION 183 What is the highest typical ambient noise level where audio paging becomes unintelligible? A. 75 db B. 85 db C. 95 db D. 105 db Section: Distributed Paging Systems /Reference: QUESTION 184 A properly designed distributed paging system will provide a sound pressure level (SPL) for audio paging that is between above ambient noise level. A. 3 db and 6 db B. 6 db and 10 db C. 10 db and 20 db D. 20 db and 55 db Section: Distributed Paging Systems /Reference: QUESTION 185 You are designing a paging system for a 588 sq m (6325 sq ft) open office space. Due to architectural features of the ceiling, wall mounted speakers must be used. Following the general rule about wall mounted speaker placement, how many speakers should be installed? A. Eight B. Ten C. Twelve D. Fourteen Section: Distributed Paging Systems /Reference: QUESTION 186

57 What is the recommended distance between ceiling mounted speakers in a hallway with heavy traffic? A. 2.4 m (8 ft) B. 3.7 m (12 ft) C. 4.9 m (16 ft) D. 6 m (20 ft) Section: Distributed Paging Systems /Reference: QUESTION 187 A space has all hard surfaces including architecture and furnishings. The audio programming produced from the distributed sound system has become unintelligible. Which of the following will NOT mitigate the problem? A. Add tapestries to the walls. B. Provide additional speakers at lower output. C. Increase the volume to the existing speakers. D. Reduce the distance of the existing speakers to the listener. Section: Distributed Paging Systems /Reference: QUESTION 188 Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 db at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 db. What input power level (in watts) is required to appropriately power the speaker? A. 1 watt B. 2 watts C. 4 watts D. 8 watts Section: Distributed Paging Systems /Reference: QUESTION 189 What are the three typical voltages used in centrally amplified paging systems? A. 24, 48, and 90 B. 25, 70, and 100 C. 25, 90, and 120 D. 48, 90, and 120 Section: Distributed Paging Systems

58 /Reference: QUESTION 190 For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at: A. 1 m (3.3 ft) from the loudspeaker with 1 watt of power input B. 1 m (3.3 ft) from the loudspeaker with 2 watts of power input C. 3 m (10 ft) from the loudspeaker with 1 watt of power input D. 3 m (10 ft) from the loudspeaker with 2 watts of power input Section: Distributed Paging Systems /Reference: QUESTION 191 You are placing PTP fiber between two locations 55 km (34 miles) apart. You are told that DWDM equipment will be installed within the next 5 years. Which of the following optical fiber types should you use? A. Dispersion unshifted (ITU-G652) B. Dispersion shifted (ITU-G653) C. Cut off shifted (ITU-G654) D. Non-zero dispersion shifted (ITU-G655) E. Bending loss insensitive (ITU-G657) Section: Data Network Design /Reference: QUESTION 192 Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model? A. Layer 2 B. Layer 3 C. Layer 4 D. Layer 5 E. Layer 6 Correct Answer: E Section: Data Network Design /Reference: QUESTION 193 Geographically speaking, a links two or more distant sites. A. SAN B. PAN

59 C. LAN D. CAN E. WAN Correct Answer: E Section: Data Network Design /Reference: QUESTION 194 What type of address is 00-A1-C3-52-CE-11? A. IP B. MAC C. Host D. Broadcast E. Unicast Section: Data Network Design /Reference: QUESTION 195 IPv-4 addresses are bits in length. A. 16 B. 24 C. 32 D. 48 E. 64 Section: Data Network Design /Reference: QUESTION 196 You have been selected to recommend a solution to increase response time and add fault tolerance to a bank of servers. Your budget is limited and the client needs a solution as soon as possible (ASAP). Which of the following options should be considered with the short time frame and limited budget? A. Link aggregation B. Device clustering C. Backup network switching devices D. Off site mass storage E. Installation of RAID devices Section: Data Network Design /Reference:

60 QUESTION 197 The loop distance range in an "ethernet in the first mile" (EFM) design is: A. 2 km (1.2 mi) B. 4.8 km (3 mi) C. 6.1 km (3.8 mi) D. 9.7 km (6 mi) E. 12 km (7.5 mi) Section: Data Network Design /Reference: QUESTION 198 ITU-T G.655 recommends which type of singlemode optical fiber? A. DSF B. N-DSF C. NZ-DSF D. SF Section: Data Network Design /Reference: QUESTION 199 MAC addresses are bits in length. A. 16 B. 24 C. 32 D. 48 E. 64 Section: Data Network Design /Reference: QUESTION 200 The purpose of QoS on an IP network is for: A. FAX transmission B. Data representation C. Audio quality D. Streaming video quality E. Real time web based services

61 Section: Data Network Design /Reference: QUESTION 201 Route congestion and message priority are a few of the functions of what layer of the OSI Model? A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 E. Layer 5 Section: Data Network Design /Reference: QUESTION 202 When considering the DAS, which component acts as a bidirectional antenna? A. Multimode optical fiber cable B. Radiating coaxial cable C. Shielded twisted pair (STP) cable D. Single mode optical fiber cable E. Screened twisted pair (ScTP) cable Section: Wireless /Reference: QUESTION 203 The MINIMUM number of antennas needed to create a DAS is: A. One B. Three C. Five D. Seven Section: Wireless /Reference: QUESTION 204 You are designing a 4.9 GHz microwave system that is using rectangular waveguide from the transceiver to the inside wall of the shelter and an antenna using elliptical waveguide from the antenna to the outside wall of the shelter. The antenna has been designed to be placed 200 ft up on a 250 ft tower. What device will you specify that will best interconnect the two different waveguides?

62 A. Elliptical wave guide pass through B. Elliptical wave guide clamp C. Elliptical waveguide connector D. Elliptical waveguide flange Section: Wireless /Reference: QUESTION 205 In order to maximize its ability to send and receive, an antenna should be to the desired frequency. A. Dipped B. Loaded C. Tuned D. Peaked Section: Wireless /Reference: QUESTION 206 Which of the following is NOT a primary type of DAS antenna? A. Directional B. Omnidirectional C. Polarized D. Radiation cable Section: Wireless /Reference: QUESTION 207 You are working with the Sheriff's Department to develop a public safety wireless network that will be secured from interference and have the capability of delivering up 10 Mbps subscriber speed. What microwave frequency should be used to best meet these needs? A. 2.4 Ghz B. 4.9 Ghz

63 C. 5.0 Ghz D. 5.3 Ghz Section: Wireless /Reference: QUESTION 208 Which of the following is NOT a primary method of transporting radio signals in an active DAS? A. Analog modulation of the RF signal B. Down conversion of the RF signal C. Up conversion of the RF signal D. Digital sampling of the RF signal Section: Wireless /Reference: QUESTION 209 Which wireless device should be used to support 3 computers and a printer? A. Bridge B. Gateway C. Router D. Switch Section: Wireless /Reference: QUESTION 210 Which device supplies the radio signal into a DAS (distributive antenna system)? A. Amplifier B. Receiver C. Transmitter D. Transceiver Section: Wireless /Reference: QUESTION 211 As a wireless designer, you have been tasked with designing a DAS which supports UHF public safety radios. You have determined that if you increase the power of the base station antenna, you can solve coverage problems in the basement. One of the restrictive items that you should consider is:

64 A. A single antenna may not provide the total power multiple antennas may provide B. The proper launch amplifier has to be chosen to provide the proper power C. The building's wall types may still affect the coverage D. The legal limits of the transmitter Section: Wireless /Reference: QUESTION 212 Omnidirectional antennas broadcast equally in all directions of only cross section(s) of their toroidal (doughnut-shaped) three-dimensional radiation pattern. A. One B. Two C. Three D. Four Section: Wireless /Reference: QUESTION 213 What is the MOST important aspect of fire alarm signaling? A. Audibility B. Clarity C. Reliability D. Intelligibility Section: Electronic Safety and Security /Reference: QUESTION 214 A security program consists of three independent components. They are electronic, architectural, and: A. Operational B. Physical C. Environmental D. Elemental Section: Electronic Safety and Security /Reference: QUESTION 215

65 In (ESS) design, employees, reputation, and materials are all examples of: A. Assets B. Risks C. Threats D. Countermeasures E. Systems Section: Electronic Safety and Security /Reference: QUESTION 216 You are designing a strobe visual notification system for a fire alarm system. You have a hallway that is 4.6 m (15 ft) wide and 100 m (328 ft) long. How many strobes should be placed in the hallway? A. One B. Two C. Three D. Four E. Five Section: Electronic Safety and Security /Reference: QUESTION 217 Which of the following is NOT a type of intrusion detection system sensor? A. Time-auxiliary B. Capacitance C. Vibration D. Electromechanical E. Thermal Section: Electronic Safety and Security /Reference: QUESTION 218 Aerial entrances to small buildings should be limited to cable pair or less. A. 6 B. 12 C. 25 D. 50 E. 100 Correct Answer: E

66 Section: Outside Plant /Reference: QUESTION 219 BICSI recommends that any trench or more deep must be shored to prevent cave in. A. 1.2 m (4 ft) B. 1.5 m (5 ft) C. 1.7 m (5.5 ft) D m (6 ft) E. 2.1 m (7 ft) Section: Outside Plant /Reference: QUESTION 220 To reduce the chance of an accidental dig-up, plastic warning tape should be placed a MINIMUM of below grade, but high enough above cables to allow detection before cables are damaged. A. 101 mm (4 in) B. 203 mm (8 in) C. 300 mm (12 in) D. 381 mm (15 in) E. 457 mm (18 in) Section: Outside Plant /Reference: QUESTION 221 When selecting poles for aerial telecommunications facilities, which of the following is the class number for the strongest rated pole? A. 10 B. 6 C. 4 D. 2 E. 00 Correct Answer: E Section: Outside Plant /Reference: QUESTION 222 You are placing an entrance cable between two buildings connected by a conduit m (588 ft) in length. What would be the MAXIMUM length of unlisted OSP cable that could be used before you terminate the cable or transition it to a listed cable?

67 A. 185 m (607 ft) B. 200 m (656 ft) C. 209 m (686 ft) D. 213 m (700 ft) E. 216 m (708 ft) Section: Outside Plant /Reference: QUESTION 223 When installing underground entrances, no more than 90-degree bends should be included between pulling points. A. One B. Two C. Three D. Four Section: Outside Plant /Reference: QUESTION 224 The MAXIMUM span length for an aerial entrance, from the last pole to the building, must NOT exceed: A m (50 ft) B. 30 m (100 ft) C m (150 ft) D. 61 m (200 ft) E. 76 m (250 ft) Section: Outside Plant /Reference: QUESTION 225 Buildings larger than must contain a dedicated room for the termination of entrance facilities. A square m (60,000 square ft) B square m (80,000 square ft) C square m (100,000 square ft) D. 11,160 square m (120,000 square ft) E. 13,300 square m (140,000 square ft) Section: Outside Plant

68 /Reference: QUESTION 226 Which one of the following is NOT an advantage of direct-buried cable? A. Is flexible for future reinforcements or changes B. Has a low initial installation cost C. Can easily bypass obstructions D. Preserves the aesthetic appearance of buildings Section: Outside Plant /Reference: QUESTION 227 What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench? A. 152 mm (6 in) B. 229 mm (9 in) C. 300 mm (12 in) D. 381 mm (15 in) E. 457 mm (18 in) Section: Outside Plant /Reference: QUESTION 228 All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of pulling tension. A kg (50 lbs) B kg (100 lbs) C. 68 kg (150 lbs) D. 90 kg (200 lbs) E. 113 kg (250 lbs) Section: Outside Plant /Reference: QUESTION 229 The MOST common medium used to provide service to the access point (AP) is cable. A. Singlemode optical fiber B. Multimode optical fiber C. Unbalanced twisted pair D. Balanced twisted pair

69 Section: Outside Plant /Reference: QUESTION 230 When a building is not on the property line, the building owner should provide a MINIMUM of conduits from a point inside the building, to the property line or easement for entrance facilities. A. Five B. Four C. Three D. Two Section: Outside Plant /Reference: QUESTION 231 The information technology system (ITS) designer should design conduits entering a building from ceiling height to terminate below the finished ceiling. A. 51 mm (2 in) B. 100 mm (4 in) C. 152 mm (6 in) D. 203 mm (8 in) E. 254 mm (10 in) Section: Outside Plant /Reference: QUESTION 232 Vertical conduit masts (with approved service heads) are limited to drop-wire attachments of up to lines. A. 4 B. 6 C. 12 D. 25 Section: Outside Plant /Reference: QUESTION 233 What is the MINIMUM vertical separation between the top rail of a railroad track and telecommunications facilities placed beneath the track?

70 A. 508 mm (20 in) B. 762 mm (30 in) C mm (40 in) D mm (50 in) E mm (60 in) Section: Outside Plant /Reference: QUESTION 234 What warning tape color has the Common Ground Alliance (CGA) adopted for telecommunications and CATV cables? A. Orange B. Yellow C. White D. Green E. Red Section: Outside Plant /Reference: QUESTION 235 You have determined that your underground cable design requires three maintenance holes (MHs). One is 4.3 m (14 ft), one is 6 m (20 ft), and one is 6.7 m (22 ft) in length. How many MH covers are required to serve these MHs? A. Three B. Four C. Six D. Seven E. Nine Section: Outside Plant /Reference: QUESTION 236 An outside plant (OSP) cable must be placed under a pipeline with two side by side pipe runs. The distance between the outside pipes is 6 m (20 ft). What is the length of the conduit required to facilitate the pipeline crossing? A. 6 m (20 ft) B. 7.6 m (25 ft) C. 9 m (30 ft) D m (35 ft) E. 12 m (40 ft)

71 Correct Answer: E Section: Outside Plant /Reference: QUESTION 237 The information technology system (ITS) designer should design conduits entering a building from below grade point to extend above finished floor (AFF). A. 51 mm (2 in) B. 100 mm (4 in) C. 152 mm (6 in) D. 203 mm (8 in) E. 254 mm (10 in) Section: Outside Plant /Reference: QUESTION 238 What type of redundancy provides two additional units, modules, paths, or systems in addition to the MINIMUM required to satisfy the base requirement. A. N B. N+1 C. N+2 D. 2N E. 2(N+1) Section: Data Centers /Reference: QUESTION 239 Within a data center, how many concentric layers are considered necessary to provide effective security? A. One B. Two C. Three D. Four E. Five Section: Data Centers /Reference: QUESTION 240 Within a data center, if you have dual path connectivity between the primary entrance room and secondary

72 entrance room, in addition to dual connectivity between these two rooms and the main distribution and secondary distribution areas, what tier level would this infrastructure design represent? A. Tier I B. Tier II C. Tier III D. Tier IV E. Tier V Section: Data Centers /Reference: QUESTION 241 You have been asked to spec the physical security requirements related to the protection of assets for a new data center. The most common potential for damage categories you have considered include temperature, gases, organisms and projectiles. The one category that you have missed is: A. Aircraft flight paths B. Proximity to high speed rail links C. Liquids D. Parking lot exits E. Exposure to extreme winds Section: Data Centers /Reference: QUESTION 242 What is the MAXIMUM horizontal cable length permitted for centralized optical fiber cabling from the MDA within a data center? A. 100 m (328 ft) B. 200 m (656 ft) C. 300 m (984 ft) D. 400 m (1312 ft) E. 500 m (1640 ft) Section: Data Centers /Reference: QUESTION 243 If you have a 30 cm (12 in) wide data tray, what does ANSI/TIA 569-B recommend be the maximum pathway fill cross sectional area assuming a MAXIMUM pathway depth of 15 cm (6 in)? A sq cm (18 sq in) B. 150 sq cm (24 sq in) C. 225 sq cm (36 sq in) D. 300 sq cm (48 sq in)

73 E. 450 sq cm (72 sq in) Section: Data Centers /Reference: QUESTION 244 Within a data center, if you have a system which includes one extra unit, in addition to the minimum required to satisfy the base need, and where the failure of this unit will NOT disrupt operations, what level of redundancy would this represent? A. N B. N+1 C. N+2 D. 2N E. 2(N+1) Section: Data Centers /Reference: QUESTION 245 You are designing a cabling containment system installed overhead in a new data center. The main or prime purpose of the system will be to manage fiber optic cabling between cabinets. You have a choice of designs of the containment system. In view of the prime purpose of containment system, your first choice of design will be one that: A. Has a bottom design with a web spacing of less than 203 mm (8 in) B. Has a bottom design with a web spacing of less than 152 mm (6 in) C. Is manufactured with a soft cloth type material D. Has a solid bottom design E. The design is not important as long as the client pre approves the manufacturer Section: Data Centers /Reference: QUESTION 246 What does ANSI/TIA 942 recommend as the MINIMUM height for overhead cable tray above finished floor within a data center? A m (7 ft) B m (8 ft) C m (9 ft) D m (10 ft) E m (11 ft) Section: Data Centers

74 /Reference: QUESTION 247 If you have a data center where the entire infrastructure must be completely shutdown on an annual basis to perform preventative maintenance and repair work, what tier level would this represent? A. Tier I B. Tier II C. Tier III D. Tier IV Section: Data Centers /Reference: QUESTION 248 If you are working on a physical security plan for a data center and focusing on building and access control, what layer of the plan would this relate to? A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 E. Layer 5 Section: Data Centers /Reference: QUESTION 249 It is important to keep all underfloor cabling systems very neat and orderly. Cabling systems must be managed to ensure that air flow is not impeded by the height or volume of underfloor cabling. Keeping copper communications cabling properly separated from is one design approach. To resolve this: A. Power cabling should be routed in the space below the floor in either hot or cold aisle B. Route the copper cables in the cold aisle and route the power cabling in the hot aisle C. Power cabling should be routed in the overhead space D. Route the copper cables in the hot aisle and route the power cabling in the cold aisle E. Copper cabling can be routed in either hot or cold aisles without any consequence in performance of the network Section: Data Centers /Reference: QUESTION 250 What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.

75 A. N B. N+1 C. N+2 D. 2N E. 2(N+1) Section: Data Centers /Reference: QUESTION 251 The system is an application used for storing and viewing captured digital radiology image files. A. CCU B. ICU C. DICOM D. PACS Section: Health Care /Reference: QUESTION 252 You are designing an interactive patient television system (IPTS) that will provide internet, nurse call and LCD television services. From the following, which medium will NOT support these services in a backbone cabling system? A. Balanced twisted pair B. Coaxial 1/2 inch hard-line cable C. Multimode optical fiber cable D. RG-11 coaxial cable Section: Health Care /Reference: QUESTION 253 You are designing a nurse call system for a health care facility. The system will have emergency call switches. What is the first step you should take in designing the nurse call system? A. Properly size the supporting TR to accommodate the headend system B. Program the headend device for the various call switches that will be used C. Perform a risk assessment to determine call switch locations D. Perform a site survey to verify the pathways that will connect the headend device with the call switches Section: Health Care /Reference:

76 QUESTION 254 Exhibit: In this future marina layout, what would be the pre-cabling guideline to follow for the terminal A? A. Place distribution cable onto the dock and terminate in a suitable cabinet or enclosure. Run service drop to each boat slip. B. Provide one or two pair cables from the boat slips to a distribution terminal on the closest point of land. C. Pre-cable each boat slip during construction. D. For security, each run should be terminated in the patch panel/ cross-connect at the dockmaster or marina office. Section: Special Design Considerations /Reference: QUESTION 255 Which type of protection for electrical power stations provide isolation against a rise in potential of station ground and also provide drainage protection against longitudinally-induced voltages? A. Isolating transformers B. Neutralizing transformers C. Mutual drainage reactors D. Unit-type neutralizing transformers E. 2-winding neutralizing transformers

77 Section: Special Design Considerations /Reference: QUESTION 256 Exhibit: In this future marina layout, assuming that there are fewer than 10 slips being cabled, what would be the pre-cabling guideline to follow for terminal A? A. Installed one or two pair cables from the boat slips to a distribution terminal on the closest point of land. B. Place distribution cable onto the dock and terminate in a suitable cabinet or enclosure. Install service drop to each boat slip. C. Pre-cable each boat slip during construction. D. For security, each install should be terminated in the patch panel/cross-connect at the dockmaster or marina office. Section: Special Design Considerations /Reference: QUESTION 257 What is the air change requirement for a tunnel of 610 m (2000 ft) long with a diameter of 3.4 m (11 ft)? A. One complete air change per hour

78 B. Two complete air changes per hour C. Three complete air changes per hour D. Four complete air changes per hour E. Five complete air changes per hour Section: Special Design Considerations /Reference: QUESTION 258 In new construction, what is the percentage of pay phones that must be equipped with volume controls? A. 4 B. 10 C. 25 D. 35 E. 50 Section: Special Design Considerations /Reference: QUESTION 259 Exhibit: What does this international symbol stands for? A. Teletypewriter/text telephone B. Public internet station C. Public telephone D. Public telephone with a shelfette E. Public telephone with access to high-speed internet connection Section: Special Design Considerations /Reference: QUESTION 260 Coupling with electrical circuits can create inductive interference to telecommunications facilities. Which of