题目内容

A File size of 500,000bytes, MSS equals 1000bytes. When we want to transmit this file with TCP, the sequence number of the first segment is 0, and the sequence number of the second segment is ____.

A. 1000
B. 999
C. 1001
D. 500000

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Because TCP only acknowledges bytes up to the first missing byte in the stream, TCP is said to provide____.

A. Cumulative acknowledgements
B. Selective acknowledgements
C. 3 duplicate ACKs
D. positive ACKs

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Provided RcvBuffer=20, LastByteRcvd=20, LastByteRead=15, then RcvWindow = ____.

A. 14
B. 15
C. 16
D. 10

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TCP service does not provide____.

A. Reliable data transfer
B. Flow control
C. Delay guarantee
D. Congestion control

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There are two states in TCP congestion control, which are ____.

A. slow start and congestion avoidance
B. safe start and congestion avoidance
C. slow start and congestion abandon
D. safe start and congestion abandon

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A File size of 500,000bytes, MSS equals 1000bytes. When we want to transmit this file with TCP, the sequence number of the first segment is 0, and the sequence number of the second segment is ____.

A. 1000 B. 999 C. 1001 D. 500000

Because TCP only acknowledges bytes up to the first missing byte in the stream, TCP is said to provide____.

Provided RcvBuffer=20, LastByteRcvd=20, LastByteRead=15, then RcvWindow = ____.

TCP service does not provide____.

There are two states in TCP congestion control, which are ____.

A. 1000
B. 999
C. 1001
D. 500000