题目内容

Fast retransmit means in the case that ____ duplicate ACK-s are received, the TCP sender resend segment before timer expires.

A. 3
B. 4
C. 5
D. 6

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更多问题

TCP____ means sender won’t overflow receiver’s buffer by transmitting too much, too fast.

A. Flow control
B. Congestion control
C. Reliable data transfer
D. Connection-oriented service

TCP provides flow control by having the sender maintain a variable called the ____.

A. Receive window
B. Congestion window
C. Sliding window
D. buffer

How does TCP sender perceive congestion?

A. Timeout
B. 3 duplicate ACK-s
C. Both A and B
D. None of above

Transport protocols run in ____.

A. Servers
B. Clients
C. Routers
D. End systems