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True of false? a. Suppose H

[问答题]
True of false?
a. Suppose Host A is sending a large file to Host B over a TCP connection. If the sequence number for a segment of this connection is m, then the sequence number for the subsequent segment will necessarily be m +1.
b. Host a is sending Host B a large file over a TCP connection. Assume Host B has no data to send Host A Host B will not send acknowledgements to Host a because Host B cannot piggyback the acknowledgments on data.
c. Suppose that the last SampleRTT in a TCP connection is equal to 1 sec. The current value of TimeoutInterval for the connection will necessarily be≥1 sec.
d. Suppose Host A is sending Host B a large file over a TCP connection. The number of unacknowledged bytes that a sends cannot exceed the size of the receive buffer.
e. The size of the TCP RcvWindow never changes throughout the duration of the connection.
f.  The TCP segment has a field in its header for RcvWindow.
g. Suppose Host A sends one segment with sequence number 38 and 4 bytes of data over a TCP connection to Host B. In this same segment the acknowledgment number is necessarily 42.

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