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1、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 D
2、NSD、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 taken
3、B、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 netwo
4、rk 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
5、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、面向对象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、UDPB、UMLC
6、、UTPD、URL正确答案： D 8HTTP需要浏览器在每一个请求中递交认证信息，这是因为HTTP协议的哪一个特性？ A、面向连接B、无连接C、分布式D、无状态正确答案： D 9在互联网WEB应用中连接由以下哪一方发起?A、HTML语言B、Web客户端C、HTTP协议D、Web服务器正确答案： B10Processes running in different hosts communicate with an : A、slotted ALOHA protocolB、Internet routing protocolC、application-layer protocolD、interproc
7、ess communication正确答案： C1What is the default persistent model in HTTP/1.1: A、Nonpersistent with pipeliningB、Persistent with pipeliningC、Persistent without pipeliningD、Nonpersistent HTTP正确答案： B 2Which version of hypertext transfer protocol are used in default mode now? A、WEB 2.0B、HTTP1.0C、HTTP 1.1D、H
8、TTP 0.9正确答案： C 3The Http server works on which port: A、TCP port above 65535B、UDP 80C、TCP port above 1024D、TCP 80正确答案： D 4HTTP messages (application-layer protocol messages) exchanged between browser (HTTP client) and Web server (HTTP server) with: A、IGMPB、ICMPC、UDPD、TCP正确答案： D 5The Http client works
9、 on which port: A、TCP port above 65535B、UDP 80C、TCP port above 1024D、TCP 80正确答案： C 6To indicates end of message in Http, we can use: A、/bodyB、/htmlC、lnlf.lnlfD、lnlf正确答案： D 7Which connections can be used by HTTP/1.1 in default mode? A、p2p connectionsB、udp connectionsC、non-persistent connectionsD、pers
10、istent connections正确答案： D8WWW servers organize information into: A、WEB pagesB、Relational DatabaseC、Distributed hypertext hypermediaD、Yellow pages正确答案： A 9Http server maintains no information about past client requests, Protocols that maintain “state” are：A、SimpleB、ComplexC、SecurityD、Easy正确答案： B 10If
11、 you are downloading a web page with multiple objects in it, which of the following is the most efficient way？ A、None persistent HTTPB、Persistent HTTP with pipelineC、Persistent HTTP without pipelineD、None of the above正确答案： B 1What is not communication services provided to apps in network :A、connecti
12、onlessB、connection-orientedC、object-orientedD、Transmission Control Protocol正确答案： C 2How is data transferred through net,what is wrong？A、statistical multiplexingB、disk to disk copyC、packet-switchingD、circuit switching正确答案： B 3In which network, propagation delay maybe greater then queuing delay:A、Fibe
13、r NetworkB、Wire LANC、Satellite Network D、WIFI Network正确答案： C4Which is not a network communication links?A、FiberB、CopperC、SubwayD、Radio正确答案： C 5Packet-switched networks goal is moving packets through routers from source to destination via:A、forwardB、storeC、dropD、replay正确答案： A 6Which Physical Media ha
14、s low error rate?A、Twisted PairB、Coaxial cableC、Fiber optic cableD、radio正确答案： C 7Todays Internet not useA、TCP/IPB、statistical multiplexingC、Circuit switchingD、Packet-switchi正确答案： C 8which is not Cerf and Kahns internetworking principles ?A、minimalism, autonomyB、best effort service modelC、stateless routersD、centralized control正确答案： D 9包交换中丢失的包去哪了？A、缓存在路由器B、在传输媒体上飞C、在上一个路由器D、彻底消失了正确答案： D 10包交换中丢失的包会阻塞网络吗？A、会B、不会C、不确定D、真不知道正确答案： B 1The Status code for request succeeded and requested object later in this message is:A、301 Moved PermanentlyB、200 OKC、400 Bad RequestD、404 Not Found正确答案： B
