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Computer Networks MCQ - Computer Networks Section 2

96 A high speed communication equipment typically would not be needed for

97 Protection of data from a natural disaster such as a tornado belongs to which of the following network issue ?

Protection of data from a natural disaster such as tornado, earthquakes, (or) fire etc. are the network reliability issues. These are also called catastrophic events.

98 Decryption and encryption of data are responsibility of

To send any important information (or) any sensitive information that must be able to assure privacy.
Encryption means encoding of original information, decryption means decoding.
Encryption (decryption (original message) = original message.

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Question:

The monitor station in what standard ensures that one and only one token is circulating ?

A. 802.3
B. 802.5
C. Both (a) and (b)
D. All of these

Correct answer: B

Explanation:

Here 802.3 is Ethernet, it uses CSMA/CD. But 802.5 is Token ring. It will have only one token in circulation. These are IEEE standards but FDDI is ANSI…

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