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Computer Networks Objective Type Interview Questions with Answers | Page-4

16 Dual cable and signal cable are the two types of
A Broadband networks
B Radio networks
C Baseband networks
D Satellite networks

Answer: Option [A]
17 Light is confined within the core of a simple optical fiber by ________
A Refraction
B Reflection from the fiber’s plastic coating
C Total internal reflection at the core cladding boundary
D Total internal reflection at the outer edge of the cladding

Answer: Option [C]
18 Of the following communications channels, which does not provide a physical link between terminal and the computer ?
A Optical fiber
B Telephone line
C Coaxial cable
D Microwave

Answer: Option [D]
19 The highest data rate is provided by the transmission medium
A Microwave
B Twisted pairs
C Optical fiber
D Coaxial cable

Answer: Option [C]
20 Computer in a computer network are connected by
A Satellite channel only
B Telephone line only
C Either telephone line or satellite channel
D None of the above

Answer: Option [C]


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