Which type of cabling is installed between a main cross-connect (campus distributor) and an intermediate cross-connect (building distributor)?

1. A. First-level backbone
2. B. Second-level backbone
3. C. Horizontal

Correct Answer: A

Which of the following tools is a low-cost cable verifier that can be used to test for opens, shorts, crossed pairs, and miswires in 4- pair cables?

1. A. Wire map tester
2. B. Qualification tester
3. C. Telephone test set
4. D. TDR

Correct Answer: A

Which of the following may provide a demarcation point between the service provider and the customer premises cabling?

1. A. Telecommunications room
2. B. Work area
3. C. Telecommunications enclosure
4. D. Entrance facility

Correct Answer: D

Which of the following components is used to bond the electrical system's grounding electrode system to the PBB?

1. A. RBB
2. B. BBC
3. C. TBB
4. D. TBC

Correct Answer: D

What method of transmission is used to transmit signals during a telephone call?

1. A. Simplex
2. B. Half-duplex
3. C. Full duplex

Correct Answer: C