RCDD Cabling Infrastructure and Pathways 2

Question 1

What is the recommended minimum inside diameter for a single-user conduit stub-up at a workstation outlet?

Accepted Answer

25 mm (1 in)

Answer

16 mm (5/8 in)

Answer

32 mm (1.25 in)

Answer

19 mm (3/4 in)

Question 2

How should optical fiber cable be protected where it passes through a wall or floor?

Accepted Answer

Installed in a sleeve or conduit

Answer

Wrapped in foam insulation

Answer

Taped to adjacent copper cables

Answer

Secured with cable staples

Question 3

What is the primary purpose of a cable runway (ladder rack) in a data center?

Accepted Answer

To provide an overhead cable management pathway between equipment racks

Answer

To serve as a grounding conductor for equipment

Answer

To support raised floor panels

Answer

To separate power and data cables at ground level

Question 4

Per BICSI TDMM, what is the maximum span between cable tray support brackets for standard aluminum tray?

Accepted Answer

3 m (10 ft)

Answer

1.5 m (5 ft)

Answer

2.4 m (8 ft)

Answer

4.5 m (15 ft)

Question 5

Which of the following correctly describes a modular furniture system's telecommunications cabling path?

Accepted Answer

Cables run within modular furniture raceways from a consolidation point or multi-user outlet

Answer

Cables run directly from the TR through open ceiling space to each workstation

Answer

All modular furniture connects directly to the main cross-connect

Answer

Cables are surface-mounted on the exterior of furniture panels

Question 6

What is the primary reason for derating cable ampacity when cables are bundled in a conduit?

Accepted Answer

Heat buildup from multiple cables reduces individual cable current capacity

Answer

Bundled cables increase electrical resistance

Answer

Bundling degrades the cable's insulation rating

Answer

Multiple cables in one conduit violate NEC requirements