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Computer Science Set-1
Computer Networks
49

Computer Networks MCQ with Answers

49) A field in the Ethernet message packet is

Type

data

address

none of these

Answer is:

none of these

Computer Networks MCQ with Answers

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Related Computer Networks MCQ with Answers

50) If data rate of ring is 20 Mbps, signal propagation speed is 200 b/ms, then number of bits that can be placed on the channel of 200 km is

2000 bits

20,000 bits

1,000 bits

none of these

Answer is:

20,000 bits

51) What signal-to-noise ratio is needed to put a T1 carrier on a T0-kHz line ?

63 db

73 db

83 db

93 db

Answer is:

93 db

52) In which ARQ, when a NAK is received, all frame sent since the last frame acknowledged an retransmitted

stop-and-wait

go-back-n

selective-reject

both (a) and (b)

Answer is:

go-back-n

53) PURE ALOHA

Does not require global time synchronization

does require global time synchronization

both (a) and (b)

none of these

Answer is:

Does not require global time synchronization

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