2021知到答案【 計(jì)算機(jī)網(wǎng)絡(luò)原理 】智慧樹(shù)網(wǎng)課章節(jié)測(cè)試答案

1、第 頁(yè)2021知到答案【 計(jì)算機(jī)網(wǎng)絡(luò)原理 】智慧樹(shù)網(wǎng)課章節(jié)測(cè)試答案 緒論 章節(jié)測(cè)試 1、選擇題:本課程采用“自頂向下”的方式講解計(jì)算機(jī)網(wǎng)絡(luò)原理。選項(xiàng)：A:對(duì)B:錯(cuò)答案: 【對(duì)】第一章 章節(jié)測(cè)試 1、選擇題:The web server is not an end system?選項(xiàng)：A:錯(cuò)B:對(duì)答案: 【錯(cuò)】2、選擇題:The upper layers of the OSI model are ( )in correct order.選項(xiàng)：A:Session,presentation,applicationB:Session,application,presentationC:Applicat

2、ion,presentation,sessionD:Session,application,presentation,physical答案: 【Session,presentation,application】3、選擇題:The lower layers of the OSI model are ( )in correct order.選項(xiàng)：A:physical,transport,network,data linkB:physical,system,network,logicalC:physical,data link,network,transportD:physical,logical,

3、system,network答案: 【physical,data link,network,transport】4、選擇題:The Internet Protocol (IP) generally corresponds to which OSI layer?選項(xiàng)：A:Session(layer five)B:Network(layer three)C:Transport(layer four)D:Data link(layer two)答案: 【Network(layer three)】5、選擇題:Which of these network devices primarily functi

4、ons at the OSI Network layer(layer 3)?選項(xiàng)：A:All of the aboveB:RouterC:GatewayD:Switch答案: 【Router】第二章 章節(jié)測(cè)試 1、選擇題:TCP is an application layer protocol.選項(xiàng)：A:錯(cuò)B:對(duì)答案: 【錯(cuò)】$2、選擇題:Which is not an application layer protocol? ( )選項(xiàng)：A:DNSB:FTPC:HTTPD:ARP答案: 【ARP】3、選擇題:The only architecture of applications is pe

5、er-to-peer.選項(xiàng)：A:對(duì)B:錯(cuò)答案: 【錯(cuò)】4、選擇題:In the client-server architecture, the clients is not always on.選項(xiàng)：A:錯(cuò)B:對(duì)答案: 【對(duì)】5、選擇題:Mail server port number is ( )選項(xiàng)：A:25B:81C:403D:80答案: 【25】第三章 章節(jié)測(cè)試 1、選擇題:The POP3 protocol runs over _ and uses port _.選項(xiàng)：A:TCP 110B:UDP 110C:UDP 25D:TCP 25答案: 【TCP 110】2、選擇題:_ is m

6、ost used for error reporting.選項(xiàng)：A:UDPB:SMTPC:ICMPD:FTP答案: 【ICMP】3、選擇題:In the following options, which does not use UDP?選項(xiàng)：A:Internet phoneB:streaming multimediaC:video conferencingSD:telnet答案: 【telnet】4、選擇題:Internet transport-layer protocols include TCP,IP and UDP.選項(xiàng)：A:錯(cuò)B:對(duì)答案: 【錯(cuò)】5、選擇題:TCP sender pe

7、rceive congestion through a timeout event or a receiving duplicate ACK-s event.選項(xiàng)：A:錯(cuò)B:對(duì)答案: 【對(duì)】第四章 章節(jié)測(cè)試 1、選擇題:RARP protocol translates IP addresses into MAC addresses.選項(xiàng)：A:錯(cuò)B:對(duì)答案: 【錯(cuò)】2、選擇題:The PING command is implemented by the ICMP echo request/reply.選項(xiàng)：A:對(duì)B:錯(cuò)答案: 【對(duì)】3、選擇題:An IP address consists of

8、a network number field and a host number field.選項(xiàng)：A:對(duì)B:錯(cuò)答案: 【對(duì)】4、選擇題:The main task of the Internets Domain Name System (DNS) is to:選項(xiàng)：A:Translate mnemonic（記憶的） names to IP addressesB:Translate port numbers to IP addressesC:Specify the standards for Internet domain namesD:Provide an authority for reg

9、istering domain names答案: 【Translate mnemonic（記憶的） names to IP addresses】5、選擇題:The Internets network layer is responsible for moving network-layer packets known as ( ) from one host to another.選項(xiàng)：A:frameB:datagramC:messageD:segment答案: 【datagram】第五章 章節(jié)測(cè)試 1、選擇題:MAC address is unique in the world.選項(xiàng)：A:錯(cuò)

10、B:對(duì)答案: 【對(duì)】2、選擇題:A 16-port switch,each port is 10/100M full-duplex adaptive,then bus bandwidth of the switch is ( )選項(xiàng)：A:3.2GB:10MC:100MD:1.6G答案: 【100M】3、選擇題:The switch receives a frame whose targe address cannot be found in its MAC address table,then switch will do ( )選項(xiàng)：A:send backB:floodingC:discar

11、dD:forward答案: 【flooding】4、選擇題:What is true of the ARP table in the following description is?選項(xiàng)：A:mapping of IP address to MAC addressB:error detectionC:reduce network trafficD:routing selection答案: 【mapping of IP address to MAC address】5、選擇題:Which layer does the switch work on?選項(xiàng)：A:transport layerB:l

12、ink layerC:application layerD:network layer答案: 【link layer】第六章 章節(jié)測(cè)試 1、選擇題:There are two address fields in 802.11 frame.選項(xiàng)：A:對(duì)B:錯(cuò)答案: 【錯(cuò)】2、選擇題:What are the type of wireless networks?選項(xiàng)：A:Single hop, infrastructure-lessB:Single hop, infrastructure-basedC:Multi-hop, infrastructure-basedD:Multi-hop, infr

13、astructure-less答案: 【Single hop, infrastructure-less;Single hop, infrastructure-based;Multi-hop, infrastructure-based;Multi-hop, infrastructure-less】3、選擇題:Hosts in wireless networks can work in two modes ( )選項(xiàng)：A:infrastructure modeB:online modeC:ad hoc modeD:offline mode答案: 【infrastructure mode;ad hoc mode】4、選擇題:APs transmit beacon frames. An APs beacon frames will be transmitted over one of the ( ) channels. The beacon frames permit near