1。In communication links, transmission rate means:A、BandwidthB、propagation speedC、process speedD、router delays正确答案: A 2。All communication activities in Internet are governed by:A、ProtocolsB、WebMasterC、ClientD、ChinaTelecom正确答案: A 3。The center of internet structure is:A、Tier-1 ISPsB、Local ISPsC、Root DNSD、NAP正确答案: A 4.When congest occur in network, which delay become large?A、propagation delayB、queuing delayC、transmission delayD、processing delay正确答案: B 5。The internet protocols not define: A、order of messagesB、actions takenC、formatD、price正确答案: D 6.The internet protocols not define : A、actions takenB、order of messagesC、hackerD、format正确答案: C 7.Which is not the types of protocol data unit in TCP/IP?A、frameB、datetimeC、segmentD、message正确答案: B 8.Which is not a connected end system device in the internet?A、Mobile PhoneB、PC serverC、PC workstationD、Router正确答案: D 9.All communication activities in network are governed by :A、ProtocolsB、ServersC、GovernmentD、Clients正确答案: A 10。For Queueing delay,in which state, average queuing delay small:A、La/R =0。1B、La/R =0。9C、La/R 〉 1D、La/R >10正确答案: A 1 应用层中的数据块常被称为:A、比特流B、帧C、分组D、消息正确答案: D 2 在 TCP/IP 层次协议中,传输层向应用层提供的接口是哪一个? A、PutB、PortC、SocksD、Socket正确答案: D 3 下列哪一组协议属于应用层协议? A、ICMP,RARP,ARPB、FTP,SMIP,TELNETC、ARP,IP,UDPD、IP,TCP,UDP正确答案: B 4 在互联网 WEB 应用中以下哪一项扮演了控制角色? A、HTML 语言B、Web 客户端C、HTTP 协议D、Web 服务器正确答案: C 5 下面哪一个特征是 HTTP 协议所不具备的: A、面对对象B、客服机/服务器C、无连接D、无状态正确答案: C 6IE8。0 浏览器默认使用的超文本传输协议是哪一个版本? A、WEB 2。0B、HTTP1.0C、HTTP 1.1D、HTTP 2。0正确答案: C 7 在 HTTP 协议中,每一个对象的地址都可以标识为: A、UDP...