宁波大学计算机网络习题集Word下载.docx
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D、format
C
7.WhichisnotthetypesofprotocoldataunitinTCP/IP?
A、frame
B、datetime
C、segment
D、message
8.Whichisnotaconnectedendsystemdeviceintheinternet?
A、MobilePhone
B、PCserver
C、PCworkstation
D、Router
9.Allcommunicationactivitiesinnetworkaregovernedby:
B、Servers
C、Government
D、Clients
10.ForQueueingdelay,inwhichstate,averagequeuingdelaysmall:
A、La/R=0.1
B、La/R=0.9
C、La/R>
1
D、La/R>
10
1应用层中的数据块常被称为:
A、比特流
B、帧
C、分组
D、信息
2在TCP/IP层次协议中,传输层向应用层供给的接口是哪一个?
A、Put
B、Port
C、Socks
D、Socket
3以下哪一组协议属于应用层协议?
A、ICMP,RARP,ARP
B、FTP,SMIP,TELNET
C、ARP,IP,UDP
D、IP,TCP,UDP
4在互联网WEB应用中以下哪一项饰演了控制角色?
A、HTML语言
B、Web客户端
C、HTTP协议
D、Web服务器
5下边哪一个特点是HTTP协议所不具备的:
A、面向对象
B、客服机/服务器
C、无连结
D、无状态
6IE8.0阅读器默认使用的超文本传输协议是哪一个版本?
A、WEB2.0
B、HTTP1.0
C、HTTP1.1
D、HTTP2.0
7在HTTP协议中,每一个对象的地点都能够表记为:
A、UDP
B、UML
C、UTP
D、URL
8HTTP需要阅读器在每一个恳求中递交认证信息,这是由于HTTP协议的哪一
个特征?
A、面向连结
B、无连结
C、散布式
9在互联网WEB应用中连结由以下哪一方倡始?
10Processesrunningindifferenthostscommunicatewithan:
A、slottedALOHAprotocol
B、Internetroutingprotocol
C、application-layerprotocol
D、interprocesscommunication
1WhatisthedefaultpersistentmodelinHTTP/1.1:
A、Nonpersistentwithpipelining
B、Persistentwithpipelining
C、Persistentwithoutpipelining
D、NonpersistentHTTP
2Whichversionofhypertexttransferprotocolareusedindefaultmode
now?
D、HTTP0.9
3TheHttpserverworksonwhichport:
A、TCPportabove65535
B、UDP80
C、TCPportabove1024
D、TCP80
4HTTPmessages(application-layerprotocolmessages)exchanged
betweenbrowser(HTTPclient)andWebserver(HTTPserver)with:
A、IGMP
B、ICMP
C、UDP
D、TCP
5TheHttpclientworksonwhichport:
6ToindicatesendofmessageinHttp,wecanuse:
A、/body
B、/html
C、\ln\lf.\ln\lf
D、\ln\lf
7WhichconnectionscanbeusedbyHTTP/1.1indefaultmode?
A、p2pconnections
B、udpconnections
C、non-persistentconnections
D、persistentconnections
8WWWserversorganizeinformationinto:
A、WEBpages
B、RelationalDatabase
C、Distributedhypertexthypermedia
D、Yellowpages
9Httpservermaintainsnoinformationaboutpastclientrequests,
Protocolsthatmaintain“state”are:
A、Simple
B、Complex
C、Security
D、Easy
10Ifyouaredownloadingawebpagewithmultipleobjectsinit,whichof
thefollowingisthemostefficientway?
A、NonepersistentHTTP
B、PersistentHTTPwithpipeline
C、PersistentHTTPwithoutpipeline
D、Noneoftheabove
1Whatisnotcommunicationservicesprovidedtoappsinnetwork:
A、connectionless
B、connection-oriented
C、object-oriented
D、TransmissionControlProtocol
2Howisdatatransferredthroughnet,whatiswrong?
A、statisticalmultiplexing
B、disktodiskcopy
C、packet-switching
D、circuitswitching
3Inwhichnetwork,propagationdelaymaybegreaterthenqueuing
delay:
A、FiberNetwork
B、WireLAN
C、SatelliteNetwork
D、WIFINetwork
4Whichisnotanetworkcommunicationlinks?
A、Fiber
B、Copper
C、Subway
D、Radio
5Packet-switchednetwork'
sgoalismovingpacketsthroughroutersfrom
sourcetodestinationvia:
A、forward
B、store
C、drop
D、replay
6WhichPhysicalMediahaslowerrorrate?
A、TwistedPair
B、Coaxialcable
C、Fiberopticcable
D、radio
7Today’sInternetnotuse
A、TCP/IP
B、statisticalmultiplexing
C、Circuitswitching
D、Packet-switchi
8whichisnotCerfandKahn'
sinternetworkingprinciples?
A、minimalism,autonomy
B、besteffortservicemodel
C、statelessrouters
D、centralizedcontrol
9包互换中丢掉的包去哪了?
A、缓存在路由器
B、在传输媒体上飞
C、在上一个路由器
D、完全消逝了
10包互换中丢掉的包会堵塞网络吗?
A、会
B、不会
C、不确立
D、真不知道
1TheStatuscodeforrequestsucceededandrequestedobjectlaterin
thismessageis:
A、301MovedPermanently
B、200OK
C、400BadRequest
D、404NotFound
2WhichiswronginthefollowingstatementaboutClient-server
archicture:
A、clientscommunicatewithserver
B、clientsmayhavedynamicIPaddresses
C、clientsisalways-onhost
D、clientsdonotcommunicatedirectlywitheachother
3HTTPresponsestatuscodesofrequesteddocumentnotfoundon
server,is:
A、404
B、500
C、400
D、304
4WhichmothedtypeisnotprovidedinHTTP/1.0:
A、HEAD
B、PUT
C、POST
D、GET
5IntheWebClient/Serverworkenvironment,whoplayacontrolrole?
A、HTMLLanguage
B、WebClient
C、HTTPProtocol
D、WebServer
6IfeverypageofthesiteneedUser-serverauthorization,wecanuse:
A、NonpersistentHTTP
B、PersistentHTTP
C、ConditionalGET:
client-sidecaching
D、Cookies:
keeping“state”
7Webpageconsistsof()whichincludesseveralreferencedobjects:
A、baseHTML-file
B、homeHTML-file
C、hostHTML-file
D、referencedHTML-file
8Webservermaintainsnoinformationaboutpastclientrequests,so
HTTPis:
A、unsatisfied
B、satisfied
C、stateless
D、stateful
9WhichisnotbasedonwebCaching?
A、OfflineBrowse
B、NAT
C、CDNS
D、PROXY
10InClient-serverparadigm,processsends/receivesmessagesto/from
its:
A、Firewall
B、Door
C、Socket
D、Slot
1HTTP协议的服务器端口号一般为:
A、80
B、110
C、>
1024
D、>
4096
2HTTP协议的客户端端口号一般为:
3Http1.1中连续/流水线模式时,能够同时传多个对象吗?
A、不可以够
B、能够
C、不知道
D、不确立
4Http1.1中连续/流水线模式时,能够同时在一个socket中传输多个对象吗?
5安全性更好的HTTP协议标准是什么?
A、HTTP2.0
B、HTTPS
C、HTML5
D、FLASH
6互联网上哪个应用不属于WEB2.0?
A、SMS
B、SNS
C、BLOG
D、FACEBOOK
7Proxy服务器在实现上主假如利用了什么方法?
A、条件更新
B、条件恳求
C、动向DNS
D、动向IP
8一个HTTP报文的大小可能是多大?
A、小于1480字节
B、小于64K字节
C、大于64K字节
D、理论上无穷制
9IE8阅读器下同意并发的连结数可能是多少?
A、1
B、2
C、4
D、8
10下述哪个方法不可以向服务器递交信息?
A、head
B、get
C、put
D、post
,selecttheDNS
searchtype?
A、Type=CName
B、Type=NS
C、Type=MX
D、Type=A
2WhichtypeofDNSquerycanreturnnamevalueofmailserver
associatedwithdomainname?
A、type=NS
B、type=CNAME
C、type=MX
D、type=A
3IfyouwanttobuildaContentDistributionNetworks,YoucantheDNS
searchtypeforalias:
B、Type=MX
C、Type=NS
4Ifyouwanttofindtheauhoritativenameserverofdomain
NBU.EDU.CN,selecttheDNSsearchtype?
5Inclienthost,weneedtoconfigIPwith:
A、Rootdomainservers
B、Top-leveldomainservers
C、AuthoritativeDNSservers
D、LocalNameServer
6Whichdomainnameiswrong?
A、
B、
C、eng.sun.
D、//sun/eng
7InDNS,“Idon’tknowthisname,butaskthisserver”means:
A、authoritativenameserver
B、recursivequery
C、Localnameserver
D、iteratedquery
8ThereisidentificationinDNSmessages,whichisa16bitnumberfor
queryandreplytoqueryuses:
A、samenumber
B、number+1
C、number+8
D、number+16
9WhichisnotthereasonfordecentralizeDNS?
A、singlepointoffailure
B、trafficvolume
C、distantcentralizeddatabase
D、copyright
10WhichiswrongforDNS:
A、queryandreplymessages,bothwithsamemessageformat
B、distributeddbstoringresourcerecords(RR)
C、WhenahostmakesaDNSquery,queryissenttoitsRootDNSserver
D、distributeddatabaseimplementedinhierarchyofmanynameservers
1Whenftp