DCI Standards & Codes Compliance 5

Question 1

ANSI/TIA-569-D specifies pathways and spaces for telecommunications. What is the minimum headroom required in a telecommunications room (TR)?

Accepted Answer

8 feet (2.4 m)

Answer

7 feet (2.1 m)

Answer

9 feet (2.7 m)

Answer

10 feet (3.0 m)

Question 2

A cable labeled 'CMR' is rated for installation in:

Accepted Answer

Vertical risers between floors

Answer

Plenum air-handling spaces only

Answer

Outdoor direct burial

Answer

Underground conduit

Question 3

Per TIA-606-C, each telecommunications infrastructure identifier (label) must be:

Accepted Answer

Unique within the administration system

Answer

Color-coded by cable type

Answer

At least 3 inches long

Answer

Applied only at patch panels

Question 4

Which of the following is a key requirement of NEC 800.100 regarding the grounding of communications cable sheaths?

Accepted Answer

Sheath must be bonded to the building's electrical grounding electrode system

Answer

Sheath must be grounded at every 50-foot interval

Answer

Sheath grounding is optional for Category 6 cables

Answer

Sheath must connect to a dedicated telecommunications earth ground rod

Question 5

Under ANSI/TIA-568, the term 'permanent link' refers to:

Accepted Answer

The fixed installed cabling from the outlet to the patch panel, excluding patch cords

Answer

The complete channel including all patch cords

Answer

Only the horizontal cable without connectors

Answer

The backbone cabling between buildings

Question 6

A contractor is installing cables through a fire-rated wall. Which NEC article requires that the penetration be properly firestopped?

Accepted Answer

Both Article 300 and the applicable communications article

Answer

Article 300

Answer

Article 800

Answer

Article 770

Question 7

Which testing standard is used to verify that a cable pathway meets EMC (electromagnetic compatibility) requirements for shielded cabling systems?

Accepted Answer

IEC 61935-1

Answer

ANSI/TIA-568 TSB-155

Answer

UL 444

Answer

NFPA 70E