


下載本文檔
版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)
文檔簡(jiǎn)介
1、川大軟院計(jì)網(wǎng)選擇題答案Chapter4(含答案)CHAPTER 4: NETWORK LAYER1.Which of the following groups belongs to network layer protocol _D_A.IP, TCP and UDPB.ARP, IP, and UDPC.FTP, IMAP and IPD.ICMP, BGP, and RIP2.The 3-PDU is named as _C_A.messageB.packetC.datagramD.segment3.In a datagramnetwork, the forwarding decision
2、 is based on the value of the _B field in the packet header.A.source addressB.destination addressC.labelD.None of the choices are4.HOL blocking happens on _A_A.input portB.output portC.switching fabricsD.all of above5.If no free buffers in router, the arriving packets will be:AA.droppedB.queuedC.ret
3、urnedD.marked6.During normal IP packet forwarding at a router, which of the following packet fields are updated _C_A.Source IP addressB.Destination IP addressC.ChecksumD.Destination port number7.Which of the following IP address doesnt belong to the /25 network _D_A.B.C.D.8.You are given an IP netwo
4、rk of and told that you need to separate this network into sub networks that can support a maximum of 30 hosts per subnet. This will help alleviate congestion on the network. What subnet mask can you use to create the subnets necessary to meet the given criteria _C_A.B.C.D.9.An IP datagram of 1500 b
5、ytes (20 byte of IP header plus 1480 bytes of IP payload) arrives at a router and must be forwarded to a link with an MTU of 500 bytes. Thus the router has to fragment the datagram. To the last fragment, the value of offset should be _D_A.1440B.1000C.186D.18010.IP is a _C_ protocol.A.connection-orie
6、nted unreliableB.connection-oriented reliableC.connectionless unreliableD.connectionless reliable11.Which ICMP message type is the basis for the Traceroute utility?BA.Echo RequestB.TTL expiredC.Host UnreachableD.Fragment Reassembly TimeExceed12.Routers in the path are not allowed to _B_.A.fragment t
7、he packet they receiveB.change source or destination addressC.decapsulate the packetD.All of the choices arecorrect13._B_ allows a site to use a set of private addresses for internal communication and a set of global Internet addresses for communication with the rest of the world.A.DHCPB.NATC.ICMPD.
8、None of the choices are correct14.How many bits are there in IPv6 _C_A.32B.64C.128D.25615.In CIDR notation, which of the following networks contains host CA./22B./21C./23D./2416.What is the limited broadcast address corresponding to the node with the following IP address: DA.B.C.D.None of the above1
9、7.In classful IP addressing, how many network bits does have?AA.8B.16C.24D.3218.What is the broadcast IP address for / 26 DA.B.C.D.19.Whats a network From IP address perspective they can physically reach each other without intervening router and the device interfaces with:CA.same IP addressB.same TC
10、P port #C.same network part of IP addressD.same host part of IP address20.The Internets network layer has three major components, the first component is the IP protocol, the second component is the routing protocol, the final component A.forwardingB.address translationC.checkD.ICMP21.IP addressing a
11、ssigns an address to /29, the network address for this network ()A.B.C.D.22.There are two 16-bit integers: 1110 0110 0110 0110, 1101 0101 0101 0101. Their checksum isA_.A.011B.100C.111D.00023.The use of hierarchy in routing tables can _A_ the size of the routing tables.A.reduceB.increaseC.neither re
12、duce nor increaseD.None of the choices are correct24.Which of the following protocol doesnt belong to intra-AS routing protocol _B_A.RIPB.BGPC.OSPFD.IRAP25.Which of the following protocol belongs to intra-AS routing protocol _A_A.RIPB.BGPC.DV (Distance Vector)D.LS (Link State)26.In OSPF network, a _
13、B_ belongs to both an area and the backbone.A.internal routerB.area border routerC.boundary routerD.backbone router27._A_ is an inter-domain routing protocol using path vector routing.A.BGPB.RIPC.OSPFD.None of the choices are correct28.RIP uses the services of _C_.A.TCPB.IPC.UDPD.None of the choices are correct29.The Routing Information Protocol (RIP) is an intra-domain routing based on _A_ routing.A.distance vectorB.
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。
最新文檔
- 中國(guó)監(jiān)控用電話光端機(jī)項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 中國(guó)夾竹桃項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 中國(guó)口腔種植系統(tǒng)項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 中國(guó)可見光通信項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 中國(guó)聚和支付項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 中國(guó)金鉆蔓綠絨項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 中國(guó)能量外科器械項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 中國(guó)高精度GNSS項(xiàng)目創(chuàng)業(yè)計(jì)劃書
- 2025年部編版語(yǔ)文六年級(jí)下冊(cè)第一次月考測(cè)試題及答案(共兩套)
- 安全教育知識(shí)考試題及答案
- 職業(yè)教育試題庫(kù)及答案
- 數(shù)據(jù)庫(kù)云服務(wù)市場(chǎng)分析-深度研究
- 2025年酒吧經(jīng)理考試題及答案
- 《信息安全技術(shù)基礎(chǔ)》課件 4.2Linux操作系統(tǒng)安全加固
- 《球閥結(jié)構(gòu)分析》課件
- 浙江首考2025年1月普通高等學(xué)校招生全國(guó)統(tǒng)考化學(xué)試題及答案
- 富士康公司組織架構(gòu)及部門職責(zé)
- 2024年股權(quán)轉(zhuǎn)讓合作備忘錄
- 《常懷敬畏之心》課件
- TSZUAVIA 001-2021 低慢小無人機(jī)探測(cè)反制系統(tǒng)要求
- 糖尿病管理制度
評(píng)論
0/150
提交評(píng)論