计算机网络习题7

问题 1 得 0 分，满分 10 分The T netw ork is displayed in the diagram below : Based on the diagram above, Four collision domains are present in the T network. 189.GIF 所选答案： 对 正确答案：错反馈： Since hubs are being used for both E thernet segments, there are a total of two collision domains. Routers do not forward broadcast and are used to segment LANs, so T estKingA consi s ts of one collision domain w hile T estKingB consi s ts of the second collision问题 2得 10 分，满分 10 分RIP 是路由选择协议?所选答案： 对 正确答案：对问题 3得 0 分，满分 10 分201.100.5.65 is the subnet for the host IP address 201.100.5.68/28.所选答案： 对 正确答案：错问题 4得 10 分，满分 10 分The extended ping command is available from privileged E XEC mode.所选答案： 对 正确答案：对问题 5得 10 分，满分 10 分输入查看IP 路由选择表的路由器命令：show ip route 。

所选答案： 对 正确答案：对问题 6得 10 分，满分 10 分The T estKing T exas branch network is di s played in the following diagram:192.168.5.40 should be assigned to the P C host? 185.GIF 所选答案：对正确答案：对问题 7得 10 分，满分 10 分Refer to the exhibit. C-router is to be used as a "router-on-a-sti c k" to route between the VLANs. All the interfaces have been properl y configured and IP routing is operational. The hosts in the VLANs have been configured with the appropriatedefault gate way. What can be said about this configuration? 231.GIF 所选答案： 对 正确答案：对问题 8得 10 分，满分 10 分172.16.208.0 is the subnet for the host IP address 172.16.210.0/22.所选答案： 对 正确答案：对问题 9得 0 分，满分 10 分The T estKing T exas branch network is di s played in the follow ing diagram: 192.168.5.5 should be assigned to the P C host? 186.GIF 所选答案： 对 正确答案： 错反馈： The subnet mask used on this E thernet segment is /27, w hich translates to 255.255.255.224. Valid hosts on the 192.168.5.33/27subnetare 192.168.5.33-192.168.5.62,w ith192.168.5.32 used as the network IP address and 192.168.5.63 used as the broadcast IP addr问题 10得 10 分，满分 10 分The follow ing statements explains the split horizon rule: Information about a routeshould never be sent back in the direction from w hich the original update came. 所选答案： 对 正确答案：对问题 11得 10 分，满分 10 分10xxxxxx binary bit patterns below denotes a Class B address.所选答案：对正确答案：对问题12得10 分，满分 10 分172.31.128.255./18 is an example of a valid unicast host IP address.所选答案：对正确答案：对问题13得10 分，满分 10 分With the extended ping command you can speci f y the timeout value.所选答案：对正确答案：对问题14得10 分，满分 10 分You work as a network engineer at T . You are required to all o westablishment of a T elnet session with a router T estKingC. You w ill enter:T estKingC(config)# line vty 0 T estKingC(config-line)# password testkingT estKingC(config-line)# login所选答案：对正确答案：对问题15得10 分，满分 10 分某路由器在自治系统150中。

输入进入路由选择进程的IGRP命令：router igrp 150 。

所选答案：对正确答案：对问题16得10 分，满分 10 分IEEE 802.11b 的运行速度可达11 Mbps所选答案：对正确答案：对问题17得10 分，满分 10 分You are a systems administrator at T estKing and you'v e just acquired a ne w Class CIP netw ork. The subnet masks 255.255.255.224 i s capable of providing one usefulsubnet for each of the above departments (support, financial, sales & development)while still allow ing enough usable host addresses to meet the needs of eachdepartment.204.GIF 所选答案： 对 正确答案：对问题 18得 0 分，满分 10 分00000111-10001111 is the IP address range for the first octet in a class B address, in binary form. 所选答案： 对 正确答案： 错反馈： TheclassBaddressrangeis128.0.0.0-191.255.255.255. When looking at the first octet alone, the range is 128-191. The binary number for 128 i s 10000000 and the binary number for 191 is 10111111, so the value rang is 10000000-10111111.问题 19得 10 分，满分 10 分The T netw ork is displayed in the diagram below : Based on the diagram above,T w o collision domains are present in the T netw ork.187.GIF 所选答案： 对 正确答案：对问题 20得 10 分，满分 10 分Refer to the exhibit. A technician has installed S w itchB and needs to configure it for remote access from the management workstation connected to S w itchA. Follow ing set of commands w ill accomplish this task. S w itchB (config)# ip default-gate way192.168.8.254 S witchB(config)# interface vlan 1 S w itchB (config-i f )# ip address 192.168.8.252 255.255.255.0 S w itchB(config-i f )# no shutdow 235.gif 所选答案： 对 正确答案：对问题 21得 10 分，满分 10 分16 networks and 14 hosts are available per subnet i f you apply a /28 mask to the210.10.2.0 class C network. 所选答案： 对 正确答案：对问题 22得 0 分，满分 10 分The T estKing corporate LAN consists of one large flat net w ork. You decide to segment this LAN into two separate networks w ith a router. What will be the affect of this change? The number of broadcast domains w ill be decreased. 所选答案： 对 正确答案：错反馈： A router does not forward broadcast traffi c . It therefore breaks up a broadcast domain, reducingunnecessarynetworktraffic.Broadcasts from one segment w ill not be seen on the other segment.问题 23得 0 分，满分 10 分输入清除路由选择表的路由器命令：clear ip route 。