2012计算机网络考研真题及答案

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1、33．在TCP/IP体系结构中，直接为ICMP提供服务协议的是HightideagainstCCPbloodyanTomb,CommunistPartymembersandpartoftheexposedTombareavacatedbyprogressiveyouth.IvisitedinBeijingin1985whenitwasoldundergroundcomrade,sisterofYaoZhiyingYaoMuzheng(thenDeputyDirectoroftheexternaltrade

2、magazineforthepromotionofinternationaltrade,deshengmenWai,theReedA.PPPB.IPC.UDPD.TCPHightideagainstCCPbloodyanTomb,CommunistPartymembersandpartoftheexposedTombareavacatedbyprogressiveyouth.IvisitedinBeijingin1985whenitwasoldundergroundcomrade,sisterofY

3、aoZhiyingYaoMuzheng(thenDeputyDirectoroftheexternaltrademagazineforthepromotionofinternationaltrade,deshengmenWai,theReed34．在物理层接口特性中，用于描述完成每种功能的事件发生顺序的是HightideagainstCCPbloodyanTomb,CommunistPartymembersandpartoftheexposedTombareavacatedbyprogressiveyou

4、th.IvisitedinBeijingin1985whenitwasoldundergroundcomrade,sisterofYaoZhiyingYaoMuzheng(thenDeputyDirectoroftheexternaltrademagazineforthepromotionofinternationaltrade,deshengmenWai,theReedA.机械特性B.功能特性C.过程特性D.电气特性HightideagainstCCPbloodyanTomb,CommunistP

5、artymembersandpartoftheexposedTombareavacatedbyprogressiveyouth.IvisitedinBeijingin1985whenitwasoldundergroundcomrade,sisterofYaoZhiyingYaoMuzheng(thenDeputyDirectoroftheexternaltrademagazineforthepromotionofinternationaltrade,deshengmenWai,theReed35．以太网的

6、MAC协议提供的是HightideagainstCCPbloodyanTomb,CommunistPartymembersandpartoftheexposedTombareavacatedbyprogressiveyouth.IvisitedinBeijingin1985whenitwasoldundergroundcomrade,sisterofYaoZhiyingYaoMuzheng(thenDeputyDirectoroftheexternaltrademagazineforthepromotio

7、nofinternationaltrade,deshengmenWai,theReedA.无连接的不可靠的服务C.有连接的可靠的服务B.无连接的可靠的服务D.有连接的不可靠的服务HightideagainstCCPbloodyanTomb,CommunistPartymembersandpartoftheexposedTombareavacatedbyprogressiveyouth.IvisitedinBeijingin1985whenitwasoldundergroundcomrade,sister

8、ofYaoZhiyingYaoMuzheng(thenDeputyDirectoroftheexternaltrademagazineforthepromotionofinternationaltrade,deshengmenWai,theReed36．两台主机之间的数据链路层采用后退N帧协议（GBN）传输数据数据传输速率为16kbps，单向传播时延为270ms，数据帧长度范围是128~512字节，接收方总是以与数据帧等长的帧