CompTIA A+ Question J-48

Which of the following cable types is used to prevent exposure to toxins in the event of a fire?

B. RG-59
C. Plenum

Correct Answer: C

CompTIA A+ Question I-58

A network cable used to connect two computers directly together without an additional network device is commonly referred to as which of the following?

A. Straight-through
B. Crossover
C. Plenum
D. RG-59

Correct Answer: B

CompTIA A+ Question I-53

Which of the following would a technician need to setup a cable modem at a customer’s home? (Select TWO).

A. Coaxial
B. CAT5e
D. Plenum
E. Fiber

Correct Answer: AB

You need a coaxial cable that carrier TV and internet signals. Attach it to a cable modem and then use CAT5e to connect the computer to the modem.

CompTIA A+ Question I-5

CAT6 cable has several characteristics that make it more desirable in an assembly line environment. Which of the following describes one of its unique characteristics?

A. It is more waterproof than other forms of cable.
B. It can transmit analog signals to greater distances.
C. It is less likely to be influenced by system noise.
D. It exceeds the building code requirement for plenum cable.

Correct Answer: C

CompTIA A+ Question I-6

Which of the following cable types designates that it can safely be run through a drop ceiling?

B. Plenum
C. CAT5e

Correct Answer: B

CompTIA A+ Question I-69

Which of the following describes the MAIN difference between a plenum rated cable versus a non- plenum rated cable?

A. A reduced production of hazardous fumes when subjected to fire
B. The ability to be bent into tighter turning radiuses within conduit
C. A reduced noise level when bundled in groups of 20 or more
D. The ability to transmit data with fewer cross-talk interruptions

Correct Answer: A

Plenum cable is sheathed with fire retarded substance. Therefore, the production of hazardous fumes will be lower in plenum cable than in other cables not coated with fire retardant material.