Q166) Which of this is not a guided media?

A. Fiber optical cable

B. Coaxial cable

C. Wireless LAN

D. Copper wire

Answer : C

Q167) UTP is commonly used in __________




D. None of the mentioned

Answer : A

Q168) Coaxial cable consists of _______ concentric copper conductors.

A. 1

B. 2

C. 3

D. 4

Answer : B

Q169) Fiber optics posses following properties __________

A. Immune electromagnetic interference

B. Very less signal attenuation

C. Very hard to tap

D. All of the mentioned

Answer : D

Q170) If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________

A. n*39.8

B. n*51.8

C. 2n*51.8

D. None of the mentioned

Answer : B

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