Provided RcvBuffer=20, LastByteRcvd=20, LastByteRead=15, then RcvWindow = ____.
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TCP service does not provide____.
A. Reliable data transfer
B. Flow control
C. Delay guarantee
D. Congestion control
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
The transport-layer protocol provides logical communication between ____, and the network-layer protocol provides logical communication ____.
A. hosts, processes
B. processes, hosts
C. threads, processes
D. processes, threads
To implement the multicast services the Internet employs the ____ protocol.
A. FTP
B. TCP
C. IGMP
D. UDP