BISCI chapter 4

Question 1

How much spaces does a Rack Unit (RU) occupy?

Answer 1

1.75 inches

Question 2

What is the purpose of an EF?

Answer 2

To contain the transition point for access providers to the building

Question 3

What may be done to reduce EMI radiating into telecommunication cabling?

Answer 3

Keep electrical circuits separate from communication pathways

Question 4

What is the minimum vertical distance recommended between a cable tray in the ceiling and a celling tile?

Answer 4

3 inches

Question 5

Select the installation limitations of a conduit system used for horizontal cabling before a box or fitting is installed.

Answer 5

Maximum 90 degree bends - 2
Maximum length - 30m

Question 6

1-1/4 inch EMT is the largest size that may be formed using a hand bender.

Answer 6

True

Question 7

What is the minimum and maximum distances J-hooks may be installed?

Answer 7

min 4 feet
max 5 feet

Question 8

An antioxidant compound should be applied to the bare metal of the cabinet or rack and the equipment bonding conductor lug surface before the lug is bolted to the cabinet or rack

Answer 8

True

Question 9

What are the 2 popular sizes of rack mounting screws

Answer 9

12-24 10-32