【问题5】(3分,每空1分)假如在图3.1中移除DHCP服务器,改由单位Router来提供DHCP服务,在Router上配置DHCP服务时用到了如下命令,请在下划线处将命令行补充完整。Router(config)ip(5)hkhk//配置DHCP地址池名为hkhkRouter(dhcp-config)(6)192.168.1.0 255.255.255.0Router(dhcp-config)(7)192.168.1.9
【问题5】(3分,每空1分)
假如在图3.1中移除DHCP服务器,改由单位Router来提供DHCP服务,在Router上配置DHCP服务时用到了如下命令,请在下划线处将命令行补充完整。
Router(config)ip(5)hkhk//配置DHCP地址池名为hkhk
Router(dhcp-config)(6)192.168.1.0 255.255.255.0
Router(dhcp-config)(7)192.168.1.9
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在Cisco路由器上建立一个名为zw246的DHCP地址池,地址池的IP地址是176.115.246.0/24,其中不用于动态分配的地址有176.115.246.2~176.115.246.10,缺省网关为176.115.246.1,域名为tj.edu.cn,域名服务器地址为176.115.129.26,地址租用时间设定为6小时30分钟。下列DHCP地址池的配置,正确的是A)Router (config)#ip dhcp pool zw246Router (dhcp-config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 0 6 30B)Router (config)#ip dhcp excluded-address 176.115.246.2-10Router (config)#ip dhcp pool zw246Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 0 6 30C)Router (config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router (config)#ip dhcp pool zw246Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 0 6 30D)Router (config)#ip dhcp excluded-address 176.115.246.2 176.115.246.10Router (config)#ip dhcp pool zw246Router (dhcp-config)#network 176.115.246.0 255.255.255.0Router (dhcp-config)#default-router 176.115.246.1Router (dhcp-config)#domain-name tj.edu.cnRouter (dhcp-config)#dns-server address 176.115.129.26Router (dhcp-config)#lease 30 6 0
在路由器上建立一个名为test的DHCP地址池,并为其分配IP地址202.112.7.0、24,子网地址中的202.112.7.2~202.112.7.10作为静态地址分配,正确的DHCP配置是A.Router(config)#ip dhcp pool test Router(config)#ip dhcp excluded-address 202.112.7.2-10 Router(dhcp-config)#network 202.112.7.0 255.255.255.0B.Router(config)#ip dhcp excluded-address 202.112.7.2-10 Router(config)#ip dhcp pool test Router(dhcp-config)#network 202.112.7.0/24C.Router(config)#ip dhcp excluded-address 202.112.7.2-10 Router(config)#ip dhcp pool test Router(dhcp-config)#network 202.112.7.0 0.0.0.255D.Router(config)#ip dhcp excluded-address 202.112.7.2-10 Router(config)#ip dhcp pool test Router(dhcp-config)#network 202.112.7.0 255.255.255.0
在路由器上建立一个名为test的DHCP地址池,并为其分配IP地址202.112.7.0/24,子网地址中的202.112.7.2~202.112.7.10作为静态地址分配,正确的DHCP配置是______。A.Router(config) #ip dhcp pool test Router(config) #ip dhcp excluded-address 202.112.7.2-10 Router(dhcp-config) #network 202.112.7.0-255.255.255.0B.Router(config) #ip dhcp excluded-address 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0/24C.Router(config) #ip dhcp excludeaddress 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0-0.0.0.255D.Router(config) #ip dhcp excluded-address 202.112.7.2-202.112.7.10 Router(config) #ip dhcp pool test Router(dhcp-config) #network 202.112.7.0-255.255.255.0
在Cisc0路由器上建立-个名为zw246的DHCP地址池,地址池的IP地址是176.115.246.0/24,其中不用于动态分配的地址有176.115.246.2-176.115.246.10,缺省网关为l76.115.246.1,域名为tj.edu.en,域名服务器地址为l76.115.129.26,地址租用时间设定为6小时30分钟。下列DHCP地址池的配置,正确的是( )。A.Router(config)#ip dhcp pool zw246Router(dhcp-eonfig)#ip dhep excluded-address l76.1 15.246.2 176.1 15.246.10Router(dhcp-eonfig)#network l76.115.246.0 255.255.255.0Router(dhcp-config)#default-router l76.115.246.1Router(dhcp-config)#domain-name tj.edu.enRouter(dhcp-config)#dns-server address 176.1 15.129.26Router(dhcp-config)#lease 0 6 30B.Router(config)#ip dhcp excluded-address 176.115.246.2-10Router(config)#ip dhcp pool zw246Router(dhcp-config)#network l76.1 15.246.0 255.255.255.0Router(dhcp-config)#default-router l76.115.246.1Router(dhcp-config)#domain-name tj.edu.caRouter(dhcp-config)#dns-server address l76.115.129.26Router(dhcp-config)#lease 0 6 30C.Router(config)#ip dhcp excluded-address l76.115.246.2 176.115.246.10Router(config)#ip dhcp pool zw246Router(dhcp-config)#network 176.115.246.0 255.255.255.0Router(dhcp-config)#default-muter l76.115.246.1Router(dhcp-config)#domain -name tj.edu.anRouter(dhcp-config)#dns-server address 176.115.129.26Router(dhcp-config)#lease 0 6 30D.Router(config)#ip dhcp excluded-address 176.1 15.246.2 176.1 15.246.10Router(config)#ip dhcp pool zw246Router(dhcp-config)#network 176.1 15.246.0 255.255.255.0Router(dhcp-config)#default-router 176.1 15.246.1Router(dhcp-config)#domain-name tj.edu.cnRouter(dhcp-config)#dns-server address 176.115.129.26Router(dhcp-config)#lease 30 6 0
如下图所示,某校园网用1OGbps的POS技术与Internet相连,POS接口的帧格式是SDH。路由协议的选择方案是校园网内部采用OSPF协议,校园网与Internet的连接使用静态路由协议。校园网内的路由器R1设为DHCP服务器,可分配的IP地址是221.89.23.192/26,其中221.89.23.200-221.89.23.254地址除外,地址租用时间为5小时30分。问题:请阅读以下R3和R1的部分配置信息,并补充下列空白处的配置命令或参数,按题目要求完成路由器的配置。R3的POS接口、OSPF和缺省路由的配置信息如下:Router-R3configure terminalRouter-R3(config)interface pos4/0Router-R3(config-if)description To IntemetRouter-R3(config-if)bandwidth 10000000Router-R3(config-if)ip address 21 1.68.69.170 255.255.255.252Router-R3(config-if)【6】32Router-R3(config-if)pos framing sdhRouter-R3(config-if)no ip directed—broadcastRouter-R3(config-if)pos flag sl sO 2Router-R3(config-if)no shutdownRouter-R3(config-if)exitRouter-R3(config)router ospf 63Router-R3(config-router)network【7】area 0Router-R3(config-router)redistribute connected metric-type 1 subnetsRouter-R3(config-router)area o range 【8】Router-R3(config-router)exitRouter-R3(config)ip route 0.0.0.0 0.0.0.0 211.68.69.169Router-R3(config)exitRouter-R3R1的DHCP的部分配置信息如下:Router-Rlconfigure terminalRouter-Rl(config)ip dhcp【9】221.89.23.200 221.89.23.254Router-R1(eonfig)ip dhcp pool buptRouter-R1(dhep-config)network 221.89.23.192 255.255.255.192Router-R1(dhcp-config)default-router 221.89.23.193Router-R1(dhcp-config)domain-nanle bupt.edu.cnRouter-R1(dhcp-config)dns-server address 221.89.24.27 221.89.24.26Router-R1(dhcp-config)lease 【10】Router-R1(dhcp-config)exitRouter-R1(config)exitRouter-R1
试题二(15分)阅读以下说明,回答问题1至问题4,将解答填入答题纸对应的解答栏内。【说明】某局域网采用DHCP服务器自动分配IP地址,网络结构如图2-1所示。【问题1】(4分,每空1分)通过DHCP服务器分配lP地址的工作流程为:寻找DHCP服务器、提供IP租用、接受lP租约及租约确认等四步,如图2-2所示。为图2-2中(1)~(4)处选择正确的报文。(1)~(4)备选答案:A. DhcpdiscoverB.DhcpofferC. DhcprequestD.Dhcpack【问题2】(6分,每空2分)DHCP服务器配置成功后,在PC1的DOS命令窗口中,运行(5) 命令显示本机网卡的连接信息,得到图2-3所示的结果。图2-4是DHCP服务器配置时分配IP地址范围的窗口,依据图2-3的结果,为图中服务器配置属性参数。起始lP地址: (6);结束IP地址: (7)。【问题3】(2分)依据图2-3结果,租约期限为(8)天。【问题4】(3分)图2-5所示的PC1的Intemet协议属性参数应如何设置?
在某台Cisco路由器中定义一个名为test的DHCP地址池(192.168.3.0/26),并保留192.168.3.62/29的IP地址。下列正确的配置语句是(29)。A.Router(config)#ip dhcp pooltest Router(dhcp-config)#network 192.168.3.00.0.0.63 Router(dhcp-config)#ip dhcp excluded-address192.168.3.62B.Router(config)#ip dhcp poo1 test Router(dhcp-config)#network 192.168.3.0255.255.255.192 Router(dhcp-config)#ip dhcp excluded-address 192.168.3.62255.255.255.248C.Router(config)#ip dhcp poo1 test Router(dhcp-config)#network 192.168.3.0/26 Router(dhcp-config)#ip dhcp excluded-address 192.168.3.62/29D.Router(config)#ip dhcp excluded-address 192.168.3.56192.168.3.62 Router(config)#ip dhcp pool test Router(dhcp-config)#network 192.168.3.0/26
阅读以下说明,回答问题1至问题4,将解答填入答题纸对应的解答栏内。【说明】某局域网采用DHCP服务器自动分配IP地址,网络结构如图2-1所示。【问题1】(4分,每空1分)通过DHCP服务器分配lP地址的工作流程为:寻找DHCP服务器、提供IP租用、接受lP租约及租约确认等四步,如图2-2所示。为图2-2中(1)~(4)处选择正确的报文。(1)~(4)备选答案:A.Dhcpdiscover B.DhcpofferC.Dhcprequest D.Dhcpack【问题2】(6分,每空2分)DHCP服务器配置成功后,在PC1的DOS命令窗口中,运行(5) 命令显示本机网卡的连接信息,得到图2-3所示的结果。图2-4是DHCP服务器配置时分配IP地址范围的窗口,依据图2-3的结果,为图中服务器配置属性参数。起始lP地址: (6);结束IP地址: (7)。【问题3】(2分)依据图2-3结果,租约期限为(8)天。【问题4】(3分)图2-5所示的PC1的Internet协议属性参数应如何设置?
下列哪条命令可让网络管理员检查分配给特定 MAC 地址的 IP 地址?A.Router# show ip dhcp bindingB.Router# show ip dhcp poolC.Router# show ip dhcp server statisticsD.Router# show running-config I section_dhcp