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NEW QUESTION 70
The impedance of the equipment grounding conductor can only be accurately measured with an instrument known as a(n):
- A. Volt ohm meter
- B. Exothermic weld connection
- C. Ground impedance tester
- D. Amp calculator
- E. Power distribution unit
Answer: C
NEW QUESTION 71
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. 100 kg (220 lb)
- B. 60 kg (132 lb)
- C. 90 kg (200 lb)
- D. 20 kg (44 lb)
- E. 40 kg (88 lb)
Answer: C
NEW QUESTION 72
Which wireless device should be used to support 3 computers and a printer?
- A. Gateway
- B. Bridge
- C. Router
- D. Switch
Answer: C
NEW QUESTION 73
Buildings larger than ________ must contain a dedicated room for the termination of entrance facilities.
- A. 11,160 square m (120,000 square ft)
- B. 7389 square m (80,000 square ft)
- C. 9300 square m (100,000 square ft)
- D. 5529 square m (60,000 square ft)
- E. 13,300 square m (140,000 square ft)
Answer: C
NEW QUESTION 74
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
Answer: D
NEW QUESTION 75
Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 76
What is the expected life cycle, in years, of building automation system within a building structure with a life cycle of 40+ years?
- A. 12 to 15
- B. 5 to 7
- C. 8 to 12
- D. 1 to 2
- E. 2 to 4
Answer: B
NEW QUESTION 77
When designing an underfloor duct system, which of the following would be the cross-sectional area of the duct serving each 100 square feet of floor space with 3 cables to each of the work areas.
- A. 5 square inches.
- B. 1 square inches.
- C. 4 square inches.
- D. 3 square inches.
Answer: B
NEW QUESTION 78
All of the following are used to control static discharge EXCEPT:
- A. Installation of isolated grounds
- B. Ion generator
- C. Discharge plates and bracelets
- D. Maintenance of humidity of between 30 and 55 percent
Answer: A
NEW QUESTION 79
Which one of the following is part of the security metric to consider in selecting the appropriate labels for an administrative system?
- A. Adhesive type
- B. Moisture content
- C. Smudge resistance
- D. Temperature rating
- E. Tamper resistance
Answer: E
NEW QUESTION 80
Which of the following is true about screened twisted pair cable assemblies?
- A. There is no need to bond the screen foil or drain because it is not important.
- B. The drain wire and screen foil must be separately bonded at opposite ends.
- C. The drain wire and screen foil must be bonded at one end only.
- D. The drain wire and screen foil must be bonded at every connection.
Answer: D
NEW QUESTION 81
Which of the following is the Cable Modem (Cable-TV) Working Group?
- A. IEEE 802.14
- B. IEEE 802.3
- C. IEEE 802.9
- D. IEEE 802.11
Answer: A
NEW QUESTION 82
A fire ________ is a contained area that is completely enclosed by fire resistant walls, floors, and ceilings.
- A. Wall
- B. Stop system
- C. Zone
- D. Rated system
Answer: C
NEW QUESTION 83
The recommended MINIMUM number of conduits connecting two located on the same floor is:
- A. One; 75 mm (trade size 3)
- B. Two; 100 mm (trade size 4)
- C. One; 100 mm (trade size 4)
- D. Two; 75 mm (trade size 3)
Answer: A
NEW QUESTION 84
Freestanding and cornerlock access floors consist of panels that are supported solely by pedestals.
- A. True
- B. False
Answer: A
NEW QUESTION 85
Which layer of the OSI model covers physical cable connections?
- A. Layer 7
- B. Layer 1
- C. Layer 3
- D. Layer 5
Answer: B
NEW QUESTION 86
The public telephone system is an example of a __________ system.
- A. Simplex
- B. Full-duplex
- C. Purely digital
- D. Purely analog
- E. Half-duplex
Answer: B
NEW QUESTION 87
What is the highest typical ambient noise level where audio paging becomes unintelligible?
- A. 85 dB
- B. 105 dB
- C. 75 dB
- D. 95 dB
Answer: D
NEW QUESTION 88
What type of material does NOT support combustion even under accelerated conditions?
- A. Fire break
- B. Fire retardant
- C. Fire proof
- D. Fire resistant
Answer: C
NEW QUESTION 89
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. 300 mm (12 in)
- B. 457 mm (18 in)
- C. 101 mm (4 in)
- D. 381 mm (15 in)
- E. 203 mm (8 in)
Answer: A
NEW QUESTION 90
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+2
- B. 2(N+1)
- C. N
- D. 2N
- E. N+1
Answer: A
NEW QUESTION 91
You are recommending to an architect the location within a telecommunications room for the placement of floor sleeves connecting to the telecommunications room directly below. Where should the sleeves be placed within the room?
- A. Centered along the base of the wall
- B. Conduit should be extended from the sleeves to 2.4 m (8 ft) AFF
- C. Near the entrance to the room
- D. On the right side of the room at the base of the wall
- E. On the left side of the room at the base of the wall
Answer: E
NEW QUESTION 92
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