2.6-2 TCP Sockets. Which of the following characteristics below are associated with a TCP socket? Check one or more that apply. 多项选择题

A

socket(AF_INET, SOCK_DGRAM) creates this type of socket

B

a server can perform an accept() on this type of socket

C

when contacted, the server will create a new server-side socket to communicate with that client

D

socket(AF_INET, SOCK_STREAM) creates this type of socket

E

data from different clients can be received on the same socket

F

the application must explicitly specify the IP destination address and port number for each group of bytes written into a socket

G

provides unreliable transfer of a group of bytes (a "datagram"), from client to server

H

provides reliable, in-order byte-stream transfer (a "pipe"), from client to server

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