Which type of cabling is installed between a main cross connect and a horizontal cross connect?

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

Correct Answer: B

Which of the following is the primary benefit of using wall-mounted racks and cabinets in place of traditional equipment racks?

1. A. Provides equipment with a higher level of protection
2. B. Allows for the equipment to be easily rearranged
3. C. Optimizes airflow within the equipment room
4. D. Takes up less space within the equipment room

Correct Answer: D

During a retrofit, an installation crew discovers old insulation that they think may contain asbestos, they cannot complete their work without disturbing the insulation. What is the best course of action for the crew to take?

1. A. Remove the asbestos-containing substance
2. B. Monitor the air quality while they work
3. C. Wear breathing protection during the task
4. D. Stop work immediately

Correct Answer: D

What is the maximum pull force for four-strand optical fiber?

1. A. 222N (50 lbf)
2. B. 330 N (75lbf)
3. C. 880 N (200 lbf)

Correct Answer: A

How much sheath of the cable needs to be removed in order to properly terminate an 8P8C?

1. A. 6.3mm (0.25")
2. B. 12.7mm (0.5")
3. C. 25mm (1")
4. D. 38 mm (1.5")

Correct Answer: B