根据下面的文字资料回答 6～9 题TCP是一个面向连接的协议，它提供连接的功能是全双工的，采用

根据下面的文字资料回答 71～75 题 The Simple Network Management Protocol(SNMP)is an （1 ）protocol that facilitates the exchange of management information between （2 ）．It is part of the Transmission Control ProtocoL/Internet Protocol(TCP/IP)protocol suite. SNMP enables network（3 ）to manage network performance，find and sole network problems，and plan for（4 ）．An SNMP managed network consists of three key components：managed devices，（5 ），and networkmanagement systems．

第6题：文中（1 ）处正确的答案是（）。

A．Physical Layer

B．Link Layer

C．Network Layer

D．Transport Layer

the most suitable one from the four choices and write down in the answer sheet．A（1 ）is basically an end point of a communication link between two applications.Sockets that extend over a network connect two or more applications running on separate computer sat tached to the network．Asocket（2 ）twoaddresses：（3 ）．Sockets providea （4 ）communication channel between one or more systems.There are stream and datagram sockets separately using TCP and（5 ）．

第6题：文中（1 ）处正确的答案是（）。

A．program

B．UDP

C．socket

D．TCP

A.6

B.7

C.8

D.9

A.数据链路

B.网络

C.传输

D.应用

A.可以

B.不能

C.不能直接

D.可以直接

A.winipcfg

B.ipconfig

C.ipcfg

D.winipconfig

A.两次握手机制

B.三次握手机制

C.滑动窗口机制

D.Windows窗口机制

A.UDP

B.TCP

C.IP

D.IPX

A.数据链路

B.网络

C.传输

D.应用

A.IP

B.UDP

C.TCP

D.ICMP