A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

181. In most transmission media, the signal propagates at
a. 2 X 10^2
b. 2 X 10 ^4
c. 2 X 10^6
d. 2 X 10^8
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Answer: (d).2 X 10^8

182. The half duplex mode of gigabit Ethernet approach uses
a. CSMA/CD
b. CSMA/CA
c. FDMA
d. TDMA
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Answer: (a).CSMA/CD