VDV Cabling Standards 5

Question 1

Which TIA standard governs the design and layout of telecommunications rooms (TR) and equipment rooms (ER)?

Accepted Answer

TIA-569-D

Answer

TIA-569 covers pathways and spaces including telecommunications rooms, equipment rooms, and entrance facilities.

Question 2

What is the correct term for the point in a structured cabling system where outside plant cabling transitions to inside plant cabling?

Accepted Answer

Entrance Facility (EF)

Answer

The Entrance Facility is where outside plant cables enter the building and connect to the inside telecommunications infrastructure.

Question 3

In fiber optic testing, what does an OTDR measure to locate a splice or connector along a cable run?

Accepted Answer

Time delay of backscattered light pulses

Answer

An OTDR sends light pulses and measures the time it takes for backscattered light to return, calculating distance to any event or fault.

Question 4

Which wiring standard requires that the green pair be placed on pins 1 and 2 of an 8P8C outlet?

Accepted Answer

T568A

Answer

T568A places the green pair (pair 3) on pins 1-2 and the orange pair (pair 2) on pins 3-6.

Question 5

What is the maximum number of consolidation points (CPs) permitted in a single horizontal link per TIA-568?

Accepted Answer

1

Answer

TIA-568 permits only one consolidation point per horizontal link to limit the number of connection points and maintain performance.

(VDV) Voice Data Video Technician Certified Practice Test