rcdd-001.exam · 18.wireless 19.electronic safety and security 20.outside plant 21.data centers...

https://www.gratisexam.com/

RCDD-001.exam.210q

Number: RCDD-001Passing Score: 800Time Limit: 120 min


RCDD-001

Registered Communications Distribution Designer

Sections1. Principles of Transmission2. Electromagnetic Compatibility3. ITS Cables and Connecting Hardware4. Work Areas5. Horizontal Distribution Systems6. Backbone Distribution Systems7. Telecommunications Spaces8. Firestopping9. Bonding and Grounding (Earthing)10.Power Distribution11.Telecommunications Administration12.Field Testing13.Design, Construction, and Project Management14.Private CATV Distribution Systems15.Distributed Paging Systems16.Building Automation Systems17.Data Network Design


18.Wireless19.Electronic Safety and Security20.Outside Plant21.Data Centers22.Health Care


Exam A

QUESTION 1A 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

Correct Answer: CSection: Principles of TransmissionExplanation

Explanation/Reference:

QUESTION 2Assume 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 fibersare 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

D. 80 percent

E. 100 percent

Correct Answer: BSection: Principles of TransmissionExplanation



QUESTION 3You 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 followingcables should NOT be used?

A. Multimode

B. Singlemode

C. UTP

D. STP

Correct Answer: DSection: Principles of TransmissionExplanation


QUESTION 4A 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 twodifferent transmission media can be accomplished by using a:

A. Balun

B. Converter

C. Modulator

D. Cross connect

E. Transceiver

Correct Answer: ASection: Principles of TransmissionExplanation


QUESTION 5Optical 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: ESection: Principles of TransmissionExplanation


QUESTION 6During 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 likelycause?

A. Electromagnetic interference (EMI)

B. Radio frequency interference (RFI)

C. (EMC)

D. Fast transients

E. Electromagnetic discharge (ESD)

Correct Answer: ASection: Electromagnetic CompatibilityExplanation


QUESTION 7The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap.


B. (EMC)

C. Radio frequency interference (RFI)

D. Fast transients

E. Electrostatic discharge (ESD)




QUESTION 8Which of the following is an undesirable electromagnetic effect on a device(s)?

A. (EMC)

B. Electromagnetic interference (EMI)

C. Radio frequency interference (RFI)

D. Fast transients

E. Electrostatic discharge (ESD)

Correct Answer: BSection: Electromagnetic CompatibilityExplanation


QUESTION 9You 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 yourcables?

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.

Correct Answer: BSection: Electromagnetic CompatibilityExplanation



QUESTION 10You 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 avoideffects 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



QUESTION 11The ability of a device to withstand electromagnetic disturbances from another device is:


B. Radio Frequency Interference (RFI)

C. (EMC)

D. Fast transients

E. Electrostatic Discharge (ESD)

Correct Answer: CSection: Electromagnetic CompatibilityExplanation


QUESTION 12


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



QUESTION 13What is the connector of choice for Series 59, Series 6, and Series 11 applications?

A. F-Style

B. Bayonet Neill-Conncelman (BNC-Style)

C. N-Style

D. SMA

E. Ultra high frequency (UHF)

Correct Answer: ASection: ITS Cables and Connecting HardwareExplanation


QUESTION 14What is the frequency rating of an International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) Category 7/Class F cable?

A. 100 MHz

B. 250 MHz

C. 500 MHz

D. 600 MHz

E. 1000 MHz


Correct Answer: DSection: ITS Cables and Connecting HardwareExplanation


QUESTION 15What is the International Organization for Standardization/International Electrotechnical Commission ISO/IEC class rating for American National Standards Institute/Telecommunication Industry Association (ANSI/TIA) Category 5e cable?

A. Class B

B. Class C

C. Class D

D. Class E

E. Class F

Correct Answer: CSection: ITS Cables and Connecting HardwareExplanation


QUESTION 16You must extend a video systems backbone coax cable that was recently installed. Which of the following coaxial cable types would provide the best performancefor both analog and digital video?

A. Series 6

B. Series 11

C. RG 16

D. RG 59

E. RG 62

Correct Answer: BSection: ITS Cables and Connecting HardwareExplanation



QUESTION 17Which 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

D. Environmental factors

E. Drop length



QUESTION 18The 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



QUESTION 19Which 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.



QUESTION 20If 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), whattype 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. 62.5 micron multimode



QUESTION 21This type of cable is an unbalanced system:

A. Unshielded twisted-pair (UTP)


B. Shielded twisted-pair (STP)

C. Screened twisted-pair (ScTP)

D. Coaxial

Correct Answer: DSection: ITS Cables and Connecting HardwareExplanation


QUESTION 22An 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

Correct Answer: BSection: Work AreasExplanation


QUESTION 23Which 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.

Correct Answer: DSection: Work Areas


Explanation


QUESTION 24When installing outlet boxes in ten private offices in an area which may prove to be difficult to install future additional telecommunications outlets, the MINIMUMquantity of outlet boxes that should be installed is:

A. 10

B. 20

C. 30

D. Based on the type of cabling specified



QUESTION 25Assuming 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 initialinstallation, without exceeding the fill ratio is:

A. 25

B. 40

C. 50

D. 60



QUESTION 26On a project with three small conference rooms, a break room, and twelve private offices, what is the MINIMUM number of telecommunications outlet boxesrequired?


A. 16

B. 24

C. 28

D. 40

E. 46

Correct Answer: ASection: Work AreasExplanation


QUESTION 27A 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

Correct Answer: DSection: Work AreasExplanation


QUESTION 28Important 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



QUESTION 29In a run requiring 15 m (50 ft) of cable between the floor distributor and the consolidation point, the MAXIMUM length of cable allowed between the CP and thetelecommunications outlet is:

A. 27.4 m (90 ft)

B. 36.5 m (120 ft)

C. 45.8 m (150 ft)

D. 75 m (242 ft)

E. 90 m (295 ft)



QUESTION 30When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:

A. Outlet box shall be a minimum of 100 mm (4 in) x 100 mm (4 in) x 76 mm (3 in)

B. Outlet boxes should be installed near an electric outlet at the same height

C. Different outlet boxes have different support requirements

D. Floor mounted telecom outlet boxes should be coordinated with furniture to minimize the potential trip hazard

E. Outlet boxes must be of adequate size so that minimum cable bend radius requirements are not exceeded

Correct Answer: A


Section: Work AreasExplanation


QUESTION 31Which of the following is NOT an example of a perimeter pathway?

A. Furniture pathways

B. Surface raceways

C. Multi channel raceways

D. Under carpet cabling

E. Raceways integrated within walls

Correct Answer: ASection: Work AreasExplanation


QUESTION 32When placing an optical fiber cable in the horizontal optical fiber cabling subsystem, what is the MAXIMUM number of splices that can be used?

A. 1

B. 2

C. 3

D. 4

E. 5

Correct Answer: BSection: Horizontal Distribution SystemsExplanation


QUESTION 33


From a 1000 ft (305 m) roll of optical fiber, how many MAXIMUM length centralized optical fiber cabling runs can be made?

A. 1

B. 2

C. 3

D. 4

E. 5

Correct Answer: CSection: Horizontal Distribution SystemsExplanation


QUESTION 34Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?

A. 15

B. 30

C. 45

D. 60



QUESTION 35Which of the following is NOT considered acceptable in an information technology system (ITS) conduit design and installation?

A. Contains no continuous sections longer than 30 m (100 ft)

B. Bonded to ground on one or both ends in accordance with national or local code requirements

C. Will withstand the environment to which they were exposed

D. Uses flexible conduit to access wall outlets

E. Avoid routing conduit over or adjacent to heat sources


Correct Answer: DSection: Horizontal Distribution SystemsExplanation


QUESTION 36Which of the following is true when describing slip sleeves or gutters?

A. More costly than pull boxes

B. Can be used as a splice location

C. Provides more space for pulling

D. Cannot be used in place of a pull box

E. Must be equal in size to the main conduit



QUESTION 37The 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)




QUESTION 38Which 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

Correct Answer: ASection: Horizontal Distribution SystemsExplanation


QUESTION 39In 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)



QUESTION 40Which 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



QUESTION 41The 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)



QUESTION 42Perimeter 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



QUESTION 43You 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 located35.1 m (115 ft) beyond the pull box. Assuming no conduit bends, and excluding the TR and zone box, what is the total number of pull boxes/pull points required inthis horizontal conduit system between the telecommunications room (TR) and zone box?

A. 2

B. 3

C. 4

D. 5



QUESTION 44You 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 asingle layer of conduits (not stacked). The main horizontal pathway system consists of five 100 mm (4 in) conduits. Large single sheath copper cables are notexpected 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. 1220 mm (48 in)

D. 1520 mm (60 in)

E. 1830 mm (72 in)




QUESTION 45A 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 leftin 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)



QUESTION 46Cables 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

E. 60




QUESTION 47An 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 theexisting system?

A. 115

B. 160

C. 177

D. 189

E. 195



QUESTION 48The 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)



QUESTION 49Which 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

Correct Answer: DSection: Backbone Distribution SystemsExplanation


QUESTION 50When 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

Correct Answer: BSection: Backbone Distribution SystemsExplanation


QUESTION 51When 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 SystemsExplanation


QUESTION 52When designing a campus distribution system involving small buildings with only one horizontal cross-connect (HC) [Floor distributor (FD)] per building, you caneliminate 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)

Correct Answer: ASection: Backbone Distribution SystemsExplanation


QUESTION 53When reviewing a backbone distribution system within a building provided to you for standards compliance, you see that there are several cables with bridge tapsbuilt 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

D. Provide recommendations to remove one bridge tap per cable

E. Do nothing as the design will pass all design parameters


Correct Answer: CSection: Backbone Distribution SystemsExplanation


QUESTION 54You 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 atone 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 beflush. In your meeting with the electrical engineering firm that has provided the spec, you make the comment that according to best practices, the MINIMUM thatslots 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)



QUESTION 55You 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:

A. Open shafts

B. Metallic raceways

C. Slots

D. Sleeves

E. Elevator shafts

Correct Answer: ESection: Backbone Distribution SystemsExplanation



QUESTION 56When 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



QUESTION 57The 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



QUESTION 58Rack mounted hardware is installed in two standard sized racks or cabinets. Those sizes are:

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)



QUESTION 59Multimode 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



QUESTION 60You have been asked to design a backbone cable connecting two large campus buildings. Your pathways will include using conduits, maintenance holes, and onesection 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




QUESTION 61Optical fiber all-dielectric cables have an additional advantage over ones containing a steel strength member. That advantage is:

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



QUESTION 62One 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



QUESTION 63


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



QUESTION 64You 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) outsidediameter 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 forfiber 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)



QUESTION 65An 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 andthrough 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)



QUESTION 66The 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



QUESTION 67In 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

Correct Answer: DSection: Backbone Distribution Systems


Explanation


QUESTION 68A 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 somuch 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



QUESTION 69One advantage of using preconnectorized jumpers and cables is:

A. They are less costly than field connectorized connectors

B. The cables are more rugged and can handle higher pull tensions

C. They come with factory certified quality of terminations

D. They require additional engineering time thereby providing a higher degree of reliability

E. The technician does not need to be concerned with the water blocking components of the cable

Correct Answer: CSection: Backbone Distribution Systems


Explanation


QUESTION 70The RECOMMENDED balanced twisted-pair cable for building backbone cabling consists of ________ round solid copper conductors with a nominal characteristicof 100 ohm.

A. 20-24 AWG

B. 22-26 AWG

C. 23-24 AWG

D. 24-22 AWG

E. 26-20 AWG



QUESTION 71What is the MINIMUM ceiling height of a telecommunications room?

A. 2.1 m (7.0 ft)

B. 2.3 m (7.5 ft)

C. 2.4 m (8.0 ft)

D. 2.6 m (8.5 ft)

E. 2.7 m (9.0 ft)

Correct Answer: CSection: Telecommunications SpacesExplanation


QUESTION 72


You are placing two 423 mm (19 in) relay racks with a 152 mm (6 in) vertical management panel on each end and a 12 in vertical cable management panelbetween the racks. The rack lineup begins against a wall in the room. What is the MINIMUM room size required?

A. 1.83 m (6 ft) x 2.4 m (8 ft)

B. 2.1 m (7 ft) x 2.4 m (8 ft)

C. 2.4 m (8 ft) x 2.4 m (8 ft)

D. 2.4 m (8 ft) x 3.0 m (10 ft)

E. 3.0 m (10 ft) x 3.0 m (10 ft)

Correct Answer: DSection: Telecommunications SpacesExplanation


QUESTION 73You are recommending to an architect the location within a telecommunications room for the placement of floor sleeves connecting to the telecommunications roomdirectly below. Where should the sleeves be placed within the room?

A. On the left side of the room at the base of the wall

B. On the right side of the room at the base of the wall

C. Centered along the base of the wall

D. Near the entrance to the room

E. Conduit should be extended from the sleeves to 2.4 m (8 ft) AFF

Correct Answer: ASection: Telecommunications SpacesExplanation


QUESTION 74Which of the following types of conduit uses set screw couplings and connectors?

A. RMC

B. EMT


C. IMC

D. Schedule 80 PVC

Correct Answer: BSection: Telecommunications SpacesExplanation


QUESTION 75The recommended MINIMUM number of conduits connecting two located on the same floor is:

A. One; 75 mm (trade size 3)

B. Two; 75 mm (trade size 3)

C. One; 100 mm (trade size 4)

D. Two; 100 mm (trade size 4)



QUESTION 76You are working on the design of a new, large ER/TR that will contain many racks and data cabinets including a large UPS system. Your recommendation to thearchitect for room access from inside the building is:

A. Two 0.9 m (3 ft) solid doors

B. One 1.5 m (5 ft) metallic roll top door

C. One 1.2 m (4 ft) solid core, steel sheath door

D. One 1.83 m (6 ft) solid core dual direction sliding door with removable sides

E. One double door with a removable center post

Correct Answer: ESection: Telecommunications SpacesExplanation



QUESTION 77At a minimum, convenience receptacles in an ER or TR are to be located ________ AFF.

A. 150 mm (6 in)

B. 300 mm (12 in)

C. 375 mm (15 in)

D. 450 mm (18 in)



QUESTION 78On a survey of one of your client's buildings, you discover that one of the TRs, housing a considerable quantity of switching equipment, is at 25 degrees C (77degrees F) with a relative humidity of 59 percent. This is considered to be:

A. Within the normal range of temperature and humidity

B. High temperature and normal humidity

C. Normal temperature and high humidity

D. High temperature and high humidity



QUESTION 79The 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. 1000 lux



QUESTION 80A 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 providedin the usable floor space?


A. 50

B. 58

C. 69

D. 77

E. 85



QUESTION 81"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



QUESTION 82You have been selected to do the telecommunications design on a new, single story building. The architect requires the size and location of the telecommunicationsrooms 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 toprovide 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

Correct Answer: BSection: Telecommunications SpacesExplanation


QUESTION 83You 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 andrestrict 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

Correct Answer: BSection: Firestopping


Explanation


QUESTION 84You are designing a firestop system for a boiler room that will have conduits coming from the service provider maintenance hole into the building. Which test ratingwill address the firestops ability to resist breakdown from water damage?

A. F rating

B. L rating

C. T rating

D. W rating

Correct Answer: DSection: FirestoppingExplanation


QUESTION 85Firestop ________, in conjunction with steel wedging plates, go in a steel cable tray.

A. Bag

B. Block

C. Intumescent sheet

D. Silicone foams

Correct Answer: ASection: FirestoppingExplanation


QUESTION 86Surge currents due to lightning and other sources MUST be ________ before they penetrate the infrastructure.


A. Shorted

B. Maximized

C. Terminated

D. Equalized

Correct Answer: DSection: Bonding and Grounding (Earthing)Explanation


QUESTION 87An isolated ground receptacle may be identified by:

A. Beige coloring with an orange triangle on the face

B. The letters IG

C. Continuous orange coloring

D. Its proximity to the PDU

E. Either A or C

Correct Answer: ESection: Bonding and Grounding (Earthing)Explanation


QUESTION 88Which of the following covers lightning protection systems and defines as exposed anything above ground and outside the zone of protection?

A. NTSB-12

B. IEEE 1100

C. NFPA 780

D. NEC 47

E. ANSI J/STD-607-A

Correct Answer: C


Section: Bonding and Grounding (Earthing)Explanation


QUESTION 89Electrical power cables are usually routed above aerial cable in order to:

A. Provide aesthetics, as the power cables are bigger than the aerial cables

B. Be a strength member in case a tree or something heavy falls on the lines

C. Negate the need for protectors

D. Intercept and divert direct power strikes

Correct Answer: DSection: Bonding and Grounding (Earthing)Explanation


QUESTION 90The 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)

D. 10.5 mm (0.41 in) x 140 mm (5.51 in)

E. 12.75 mm (0.50 in) x 175 mm (6.89 in)

Correct Answer: BSection: Bonding and Grounding (Earthing)Explanation


QUESTION 91Certain 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)

Correct Answer: CSection: Bonding and Grounding (Earthing)Explanation


QUESTION 92As a guide, the recommended maximum AC current value on any bonding conductor should be less than ________ amperes.


A. 0.50

B. 1

C. 5

D. 10

E. 20

Correct Answer: BSection: Bonding and Grounding (Earthing)Explanation


QUESTION 93Multiples of the basic frequency of an electrical waveform are called:

A. Transients


B. Noise inductions

C. Harmonics

D. Random frequency variations

Correct Answer: CSection: Power DistributionExplanation


QUESTION 94An isolated ground is used to:

A. Reduce transients

B. Prevent interruptions

C. Reduce EMI/RFI

D. Reduce swells and sags

Correct Answer: CSection: Power DistributionExplanation


QUESTION 95All 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

Correct Answer: DSection: Power DistributionExplanation



QUESTION 96You are designing a large equipment room (ER) that will house many servers, switches, backup storage drives, and other communications equipment includingperipheral 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

Correct Answer: BSection: Power DistributionExplanation


QUESTION 97A large telecommunications facility, by most codes, must be designed with an EPO switch located at:

A. The facility entrance or exit

B. The main power panel

C. Between the main power panel and the transformer

D. Near each bank of equipment in the telecommunications space

Correct Answer: ASection: Power DistributionExplanation


QUESTION 98You 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 youdo?

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.



QUESTION 99DC loads are generally expressed in:

A. Amperes

B. Volts

C. Voltage amperes (VA)

D. Watts

Correct Answer: ASection: Power DistributionExplanation


QUESTION 100You 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 oneof the following types of UPS will meet this requirement?

A. Off line, standby

B. Line interactive

C. Online double conversion

D. Rotary

E. Flywheel

Correct Answer: CSection: Power Distribution


Explanation


QUESTION 101For the telecommunications industry, the nominal operating voltage is ________ volts DC.

A. + 24

B. – 24

C. + 48

D. – 48

Correct Answer: DSection: Power DistributionExplanation


QUESTION 102Which of the following electrical devices is used to convert AC to DC?


A. Inverter

B. Rectifier

C. Transformer

D. Line filter




QUESTION 103Which 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

Correct Answer: ASection: Telecommunications AdministrationExplanation


QUESTION 104Class ________ administration provides for the telecommunications infrastructure administration needs of a single building, or of a tenant served by a single ormultiple. It also includes administration for backbone cabling, systems, and.

A. 1

B. 2

C. 3

D. 4

Correct Answer: BSection: Telecommunications AdministrationExplanation


QUESTION 105Color 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



QUESTION 106If a telecommunications grounding busbar is installed in the telecommunications room (TR) with the identifier of 310, located on the third floor, then thetelecommunications 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



QUESTION 107In 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

Correct Answer: ASection: Telecommunications Administration


Explanation


QUESTION 108Which 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



QUESTION 109When 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.



QUESTION 110Color 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



QUESTION 111You are preparing to test newly installed open office cabling. Within the open office cabling, there are multiple consolidation points (CP) that were installed whilewaiting for furniture. How do you proceed with permanent link testing?

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.

Correct Answer: BSection: Field TestingExplanation


QUESTION 112Where backbone cabling exceeds cabling lengths for the same performance or design (for product used in horizontal cabling), there are three fundamental testswhich 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

Correct Answer: DSection: Field TestingExplanation


QUESTION 113What 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 2connector pairs and 3 splices?

A. 3.4 dB

B. 4.65 dB

C. 5.4 dB

D. 6.4 dB

E. 9.4 dB

Correct Answer: CSection: Field TestingExplanation


QUESTION 114Premises 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

Correct Answer: DSection: Field TestingExplanation



QUESTION 115What 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

Correct Answer: ASection: Design, Construction, and Project ManagementExplanation


QUESTION 116All 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



QUESTION 117Select the appropriate task to complete the section 2.2 of the work breakdown structure below:

2. Technician2.1 Install rack


2.2 _________2.3 Place fiber2.4 Terminate fiber2.5 Test fiber

A. Prepare as-built drawings

B. Install connector housing

C. Clean/polish connectors

D. Specify fiber

Correct Answer: BSection: Design, Construction, and Project ManagementExplanation


QUESTION 118What is the PERT estimate (in hours) for project design where:- 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

Correct Answer: CSection: Design, Construction, and Project ManagementExplanation


QUESTION 119When 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



QUESTION 120A 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



QUESTION 121A 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



QUESTION 122What 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

Correct Answer: CSection: Design, Construction, and Project ManagementExplanation


QUESTION 123At 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 theproject?

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.



QUESTION 124Select the appropriate task to complete section 2.2 of the work breakdown structure (WBS) below: 2 Technician2.1 Install cabling2.2 __________2.3 Activate wireless

A. Install access point

B. Clean work area

C. Install pathway for cabling

D. Confirm wireless coverage



QUESTION 125Which is NOT true about conformance quality?

A. It focuses on physical quality.

B. It involves evaluating customer satisfaction.

C. It requires work force training.

D. It includes inspections of work.

E. It follows the principle of plan, do, check, and act.

Correct Answer: BSection: Design, Construction, and Project Management


Explanation


QUESTION 126Which 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: ESection: Design, Construction, and Project ManagementExplanation


QUESTION 127Exhibit:

If a work breakdown structure (WBS) shows the tasks below, what is C, the successor task?

A) Install OSP pathwaysB) Install fiberC) ________.

A. Hold inspection

B. Create budget

C. Conduct safety meeting

D. Perform site survey




QUESTION 128At 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 thefollowing 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.



QUESTION 129An 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

Correct Answer: BSection: Private CATV Distribution SystemsExplanation



QUESTION 130A 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 trunkcable installed from the basement headend passing through the telecommunications room (TR) on each floor. In order to maintain the LEAST signal loss passingthrough each telecommunications room (TR) to the next telecommunications room (TR), what device should you specify for use within each telecommunicationsroom (TR)?

A. Splitter

B. Directional coupler

C. Multiport tap

D. Combiner



QUESTION 131A 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 trunkcable installed from the basement headend passing through a directional coupler in each floor's telecommunications room (TR). Which leg of the coupler will havethe LEAST signal loss?

A. Tap

B. Through

C. Splitter

D. Port



QUESTION 132Which of the following is NOT an element of a cable system?

A. Headend


B. Distribution system

C. Subscriber drop

D. Television

Correct Answer: DSection: Private CATV Distribution SystemsExplanation




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


Correct Answer: ASection: Private CATV Distribution SystemsExplanation


QUESTION 134The headend has several modulators assigning frequencies for distribution to the CATV network. What distribution device should you use immediately at theheadend to distribute the modulator's output signals to CATV system?

A. Splitter

B. Directional coupler

C. Combiner

D. Multiport tap

Correct Answer: CSection: Private CATV Distribution SystemsExplanation


QUESTION 135The 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 theCATV system?

A. Modulator

B. Combiner

C. Splitter

D. Multiport tap





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



QUESTION 137A 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

Correct Answer: CSection: Distributed Paging SystemsExplanation



QUESTION 138You 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



QUESTION 139What 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)

Correct Answer: ASection: Distributed Paging SystemsExplanation


QUESTION 140A space has all hard surfaces including architecture and furnishings. The audio programming produced from the distributed sound system has becomeunintelligible. 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.



QUESTION 141Using 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 loudspeaker 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



QUESTION 142What 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

Correct Answer: BSection: Distributed Paging SystemsExplanation



QUESTION 143For 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



QUESTION 144You are designing a four story retail mall and multiple sound systems within it. Which system should you design to support general music programming withincommon retail areas?

A. Distributed paging

B. Life safety

C. Sound masking

D. Sound reinforcement and playback

Correct Answer: DSection: Distributed Paging SystemsExplanation


QUESTION 145


In a hallway with normal traffic, ceiling mounted speakers should be placed ________ times the corridor height, minus the ________.

A. Two; average height of listener's ear

B. Two; width of corridor

C. Three; average height of listener's ear

D. Three width of corridor



QUESTION 146What type of facility requires a building automation system (BAS) device to be located every 5 sq m (50 sq ft)?

A. Hotel guest room

B. Education classroom

C. Hospital

D. Mechanical room

E. Factory

Correct Answer: DSection: Building Automation SystemsExplanation


QUESTION 147Within building automation hardware systems, there is a hierarchical system of micro processor based controllers. Which type of controller is used to provide limitedport capacity for connection of sensors, support, and execution of DDC programs, and usually operates in stand alone mode?

A. System level controller

B. Field level controller

C. Management level processor

D. Protocol management system


E. DDC manager

Correct Answer: BSection: Building Automation SystemsExplanation


QUESTION 148If you are using a building automation system (BAS) protocol operating on RF media at 19,200 b/s in the 868 MHz band, which protocol are you using?

A. European installation bus

B. Lon Talk

C. MODBUS

D. LonMark

E. Modicon

Correct Answer: ASection: Building Automation SystemsExplanation


QUESTION 149What is the expected life cycle, in years, of building automation system within a building structure with a life cycle of 40+ years?

A. 1 to 2

B. 2 to 4

C. 5 to 7

D. 8 to 12

E. 12 to 15

Correct Answer: CSection: Building Automation SystemsExplanation



QUESTION 150Within a heating ventilation and air conditioning automatic control system, what do the letters DDC stand for?

A. Dual division charger

B. Direct digital control

C. Diverse duct center

D. Direct drive cable

E. Differential diffuser control



QUESTION 151What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?

A. 120 watts

B. 140 watts

C. 160 watts

D. 180 watts

E. 200 watts



QUESTION 152Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation system (BAS) devices are required?

A. 50

B. 75


C. 100

D. 125

E. 150

Correct Answer: CSection: Building Automation SystemsExplanation


QUESTION 153Which of the following protocols is referred to under ISO 16484-5?

A. BACnet

B. ARCnet

C. European installation bus

D. EMSLan

E. LonMark

Correct Answer: ASection: Building Automation SystemsExplanation


QUESTION 154Which layer of the OSI model covers physical cable connections?

A. Layer 1

B. Layer 3

C. Layer 5

D. Layer 7

Correct Answer: ASection: Data Network DesignExplanation



QUESTION 155Geographically speaking, a __________ covers an area associated with an individual's work space.

A. SAN

B. PAN

C. LAN

D. CAN

E. WAN

Correct Answer: BSection: Data Network DesignExplanation


QUESTION 156What type of address is 10.162.02.14?

A. IP

B. MAC

C. Host

D. Broadcast

E. Unicast



QUESTION 157The ITU-T G.711 standard deals with what aspect of video conferencing?


A. Coding and compression

B. File transfer during video conference

C. Call control during video conference

D. Voice compression during video conferencing

Correct Answer: DSection: Data Network DesignExplanation


QUESTION 158You have just assumed management responsibility over an older network consisting of passive hubs and some layer 2 switches. The network is experiencingmassive slow downs on an irregular basis. Which of the following is the MOST effective immediate solution to the problem?

A. Purchase and install layer 3 switching equipment.

B. Purchase and install a software based gateway.

C. Add bridges at key points in the network.

D. Segment your network into smaller domains.



QUESTION 159You 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 thefollowing 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)


Correct Answer: DSection: Data Network DesignExplanation


QUESTION 160Data 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: ESection: Data Network DesignExplanation


QUESTION 161Geographically speaking, a ______ links two or more distant sites.

A. SAN

B. PAN

C. LAN

D. CAN

E. WAN

Correct Answer: ESection: Data Network DesignExplanation



QUESTION 162What type of address is 00-A1-C3-52-CE-11?

A. IP

B. MAC

C. Host

D. Broadcast

E. Unicast



QUESTION 163IPv-4 addresses are ________ bits in length.

A. 16

B. 24

C. 32

D. 48

E. 64

Correct Answer: CSection: Data Network DesignExplanation


QUESTION 164You 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 clientneeds 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



QUESTION 165The 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)

Correct Answer: CSection: Data Network DesignExplanation


QUESTION 166The MINIMUM number of antennas needed to create a DAS is:


A. One

B. Three


C. Five

D. Seven

Correct Answer: ASection: WirelessExplanation


QUESTION 167You 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 usingelliptical 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 willyou specify that will best interconnect the two different waveguides?

A. Elliptical wave guide pass through

B. Elliptical wave guide clamp

C. Elliptical waveguide connector

D. Elliptical waveguide flange

Correct Answer: CSection: WirelessExplanation


QUESTION 168In 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




QUESTION 169Which of the following is NOT a primary type of DAS antenna?

A. Directional

B. Omnidirectional

C. Polarized

D. Radiation cable



QUESTION 170You 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 deliveringup 10 Mbps subscriber speed. What microwave frequency should be used to best meet these needs?

A. 2.4 Ghz

B. 4.9 Ghz

C. 5.0 Ghz

D. 5.3 Ghz

Correct Answer: BSection: WirelessExplanation


QUESTION 171Which 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



QUESTION 172Which wireless device should be used to support 3 computers and a printer?

A. Bridge

B. Gateway

C. Router

D. Switch



QUESTION 173Which device supplies the radio signal into a DAS (distributive antenna system)?

A. Amplifier

B. Receiver

C. Transmitter

D. Transceiver

Correct Answer: DSection: WirelessExplanation



QUESTION 174As 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 powerof the base station antenna, you can solve coverage problems in the basement. One of the restrictive items that you should consider is:

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

Correct Answer: DSection: WirelessExplanation


QUESTION 175Omnidirectional antennas broadcast equally in all directions of only ________ cross section(s) of their toroidal (doughnut-shaped) three-dimensional radiationpattern.

A. One

B. Two

C. Three

D. Four

Correct Answer: ASection: WirelessExplanation


QUESTION 176When trying to control radio signals from leaking outside of a building, a ______________ antenna should be used.

A. Dipole

B. Dome

C. Panel


D. Vee



QUESTION 177You are designing a DAS that will support five buildings on a college campus. Which medium is best suited to ensure the best connectivity and throughput betweenthe headend and backend devices located in the various buildings?

A. Coaxial

B. Optical fiber cabling

C. Shielded twisted pair cabling

D. Unshielded twisted pair cabling



QUESTION 178Which device uses circulators or diplexer filters to separate and combine the different transmit and receive RF paths?

A. Transceiver

B. Bidirectional amplifier

C. Unidirectional amplifier

D. Repeater




QUESTION 179The propagation and path loss of radio signals in the target environment can be sampled using:

A. Propagation software

B. Radio power meters

C. Directional antenna

D. Mesh antennas



QUESTION 180You 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 that is tobe placed 200 ft up on a 250 ft tower. What type of medium will be best suited to connect the antenna to the transceiver?

A. Circular wave guide

B. Elliptical wave guide

C. Hard line coaxial

D. Rectangular wave guide



QUESTION 181You are designing a DAS system that has a requirement to supply both RF signal and power to the remote transceivers in the system. Which cable will provide theneeded services for this application?

A. Multimode optical fiber cable

B. Radiation coaxial cable

C. Shielded twisted-pair cable


D. Single mode optical fiber cable

E. Screened twisted pair (ScTP) cable



QUESTION 182The three electronic security system (ESS) concepts the consultant needs to understand when creating an ESS system are threats, countermeasures, and:

A. Risks

B. Mitigation techniques

C. Asset control

D. Integration

E. Intrusion detection

Correct Answer: ASection: Electronic Safety and SecurityExplanation


QUESTION 183The concept of the "security quandary" is based on providing a balancing act between what two elements?

A. Access and isolation

B. Risk and threat

C. Asset and isolation

D. Asset and risk

E. Access and cost




QUESTION 184Given the following values, calculate the focal length of the camera lens.- Distance of the camera to the object is 5 m- Vertical field of view is 2 m- Horizontal field of view 1 m

A. 1 meter

B. 5 meters

C. 10 meters

D. 50 meters

E. 100 meters

Correct Answer: CSection: Electronic Safety and SecurityExplanation


QUESTION 185The distance a CCTV signal may be run is determined by the strength of the signal at the source, required signal strength at the receiver, and:

A. Signal loss of the cable

B. Power requirement of the receiving device

C. Recorded image

D. Video format



QUESTION 186


For an analog camera, what is the normal frame rate in frames per second?

A. 18 fps

B. 22 fps

C. 27 fps

D. 30 fps

E. 33 fps

Correct Answer: DSection: Electronic Safety and SecurityExplanation


QUESTION 187BICSI 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. 1.83 m (6 ft)

E. 2.1 m (7 ft)

Correct Answer: BSection: Outside PlantExplanation


QUESTION 188To 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)

Correct Answer: CSection: Outside PlantExplanation


QUESTION 189When 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: ESection: Outside PlantExplanation


QUESTION 190You are placing an entrance cable between two buildings connected by a conduit 205.3 m (588 ft) in length. What would be the MAXIMUM length of unlisted OSPcable that could be used before you terminate the cable or transition it to a listed cable?

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)



QUESTION 191When installing underground entrances, no more than ________ 90-degree bends should be included between pulling points.

A. One

B. Two

C. Three

D. Four



QUESTION 192The MAXIMUM span length for an aerial entrance, from the last pole to the building, must NOT exceed:

A. 15.2 m (50 ft)

B. 30 m (100 ft)

C. 45.8 m (150 ft)

D. 61 m (200 ft)

E. 76 m (250 ft)




QUESTION 193Buildings larger than ________ must contain a dedicated room for the termination of entrance facilities.

A. 5529 square m (60,000 square ft)

B. 7389 square m (80,000 square ft)

C. 9300 square m (100,000 square ft)

D. 11,160 square m (120,000 square ft)

E. 13,300 square m (140,000 square ft)



QUESTION 194Which 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

Correct Answer: ASection: Outside PlantExplanation


QUESTION 195What 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)



QUESTION 196All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of _________ pulling tension.

A. 22.7 kg (50 lbs)

B. 45.4 kg (100 lbs)

C. 68 kg (150 lbs)

D. 90 kg (200 lbs)

E. 113 kg (250 lbs)

Correct Answer: DSection: Outside PlantExplanation


QUESTION 197The 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




QUESTION 198When 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 lineor easement for entrance facilities.

A. Five

B. Four

C. Three

D. Two



QUESTION 199The 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)



QUESTION 200If 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 MAXIMUMpathway depth of 15 cm (6 in)?

A. 112.5 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)

E. 450 sq cm (72 sq in)

Correct Answer: CSection: Data CentersExplanation


QUESTION 201Within 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 thisunit 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)

Correct Answer: BSection: Data CentersExplanation


QUESTION 202You 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 opticcabling 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 designwill 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

Correct Answer: DSection: Data CentersExplanation


QUESTION 203What does ANSI/TIA 942 recommend as the MINIMUM height for overhead cable tray above finished floor within a data center?

A. 2.14 m (7 ft)

B. 2.44 m (8 ft)

C. 2.75 m (9 ft)

D. 3.05 m (10 ft)

E. 3.36 m (11 ft)



QUESTION 204If 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

Correct Answer: ASection: Data CentersExplanation



QUESTION 205If 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



QUESTION 206It 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 heightor 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



QUESTION 207What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.

A. N


B. N+1

C. N+2

D. 2N

E. 2(N+1)



QUESTION 208The ________ system is an application used for storing and viewing captured digital radiology image files.


A. CCU

B. ICU

C. DICOM

D. PACS

Correct Answer: DSection: Health CareExplanation


QUESTION 209You are designing an interactive patient television system (IPTS) that will provide internet, nurse call and LCD television services. From the following, which mediumwill 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

Correct Answer: ASection: Health CareExplanation


QUESTION 210You 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 designingthe 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

Correct Answer: CSection: Health CareExplanation



rcdd-001.exam · 18.wireless 19.electronic safety and security 20.outside plant 21.data centers...

Documents