如果网络管理员在交换机上输入以下命令,会有什么结果?Switch1(config－line)lineconsole0Switch1(config－line)passwordciscoSwitch1(config－line)login() A.采用口令cisco来保护控制台端口B.通过将可用的线路数指定为0来拒绝用户访问控制台端口C.通过提供所需的口令来访问线路配置模式D.配置用于远程访问的特权执行口令
如果网络管理员在交换机上输入以下命令,会有什么结果?Switch1(config－line)lineconsole0Switch1(config－line)passwordciscoSwitch1(config－line)login()
A.采用口令"cisco"来保护控制台端口
B.通过将可用的线路数指定为0来拒绝用户访问控制台端口
C.通过提供所需的口令来访问线路配置模式
D.配置用于远程访问的特权执行口令
相关考题：
Cisco 3548交换机采用telnet远程管理方式进行配置，其设备管理地址是222.38.12.23/24，缺省路由是222.38.12.1。下列对交换机预先进行的配置，正确的是A）Switch-3548(config)#interface vlan1Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0Switch-3548(config-if)#ip default-gateway 222.38.12.1Switch-3548(config-if)#exitSwitch-3548(config)#line vty 0 4Switch-3548(config-line)#password 7 cccSwitch-3548(config-line)#exitB）Switch-3548(config)#interface vlan1Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0Switch-3548(config-if)#exitSwitch-3548(config)#ip default-gateway 222.38.12.1Switch-3548(config)#line vty 0 4Switch-3548(config-line)#password 7 cccSwitch-3548(config-line)#exitC）Switch-3548(config)#interface vlan1Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0Switch-3548(config-if)#exitSwitch-3548(config)#ip default-route 222.38.12.1Switch-3548(config)#line vty 0 4Switch-3548(config-line)#password 7 cccSwitch-3548(config-line)#exitD）Switch-3548(config)#interface vlan1Switch-3548(config-if)#ip address 222.38.12.23 255.255.255.0Switch-3548(config-if)#exitSwitch-3548(config)#ip default-gateway 222.38.12.1Switch-3548(config)#line aux 0 4Switch-3548(config-line)#password 7 cccSwitch-3548(config-line)#exit
阅读以下说明，回答问题1、问题2、问题3和问题4，将解答填入对应栏内。[说明]RIP(Routing Information Protocols，路由信息协议)是使用最广泛的距离向量协议，它是由施乐(Xerox)在70年代开发的。当时，RIP是XNS(Xerox Network Service，施乐网络服务)协议簇的一部分。TCP/IP版本的RIP是施乐协议的改进版。RIP最大的特点是无论实现原理还是配置方法，都非常简单。以下是RIP配置的部分清单。Router＞enable (1)Enter configuration commands，one per line．End with CNTL/Z． (2)Router (config) interfacee 0/1 (3)Router (config-if) ipaddress172.16.1.2 255.255.255.0Router (config-if)//为了便于配置和记忆，还可以给每个端口添加一些描述信息。如下所示，在端口局部配置模式下使用description命令。Router ( config-if ) description connect to CIU (8)Router (config-if) endRouter......Routercopy mnning-config startup-config (12)Building configuration...[OK]Router......Router (config) linc console 0 (17)Router (config-line) login (18)Router (config-line) password cisco (19)Router (config-line) exit (20)Router (config) line vty 0 4 (21)Router (config-line) login (22)Router (config-line) password cisco (23)Router (config-line) exit (24)Routerping 192.168.4.2Type escape sequence to abort.Sending 5, 100-byte ICMP Ethos to 192.168.4.2, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5) , round-trip min/avg/max = 24/25/28 msRoutertraceroute 192.168.4.2Type escape sequence to abort.Tracing the route to 192.168.4.21 192.168.2.2 16 msec 16 msecRoutertelnet 192.168.4.2Trying 192.168.4.2 ... OpenUser Access VerificationPassword:Router ＞Routerdebug ip rip (41)RIP protocol debugging is onRouter请解释第(8)、(12)、(41)行的意义及(17)～(20)与(21)～(24)行的作用。
公司有2台Cisco路由器,路由器的Telnet服务以前是关闭的,现在为了方便管理,需要启用Telnet,并设置Telnet密码为cbn152,那么需要在路由器上进行()配置。 A.Router（config）#line console 0Router（config-line）#password cbn152B.Router（config）#line console 0Router（config-line）#login Router（config-line）#password cbn152C.Router（config）#line vty 04Router（config-line）#password cbn152D.Router（config）#line vty 04Router（config-line）#login Router（config-line）#password cbn152
Which command is required to apply an access list on a virtual terminal line of a router?() A. Router(config-line)# access-class 10 inB. Router(config-if)# ip access-class 23 outC. Router(config-line)# access-group 15 outD. Router(config-if)# ip access-group 110 inE. Router(config-line)# access-list 150 inF. Router(config-if)# ip access-list 128 out
Which of the following commands would successfully implement an access list on a routers virtual terminal line?() A. RouterTK(config-line)# access-class 10 inB. RouterTK(config-if)# ip access-class 23 outC. RouterTK(config-line)# access-list 150 inD. RouterTK(config-if)# ip access-list 128 outE. RouterTK(config-line)# access-group 15 outF. RouterTK(config-if)# ip access-group 110 in
You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines.What command would assign this access- list to the Virtual Terminal Lines?（）A. router(config-line)# ip access-group 1 inB. router(config-line)# access-class 1 inC. router(config-line)# ip access-list 1 inD. router(config-line)# access-line 1 in
The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?（）A. Switch1(config)# i nterface fa0 /1 Switch1(config-if)# ip address 192.168.24.3.255.255.255.0B. Switch1 (config)#interface fa0/1 Switch1 (config-if)# switchport mode trunkC. Switch 1 (config)# i nterface fa0 /1 Switch1 (config-if)# duplex full Switch1 (config-if)# speed 100D. Switch1 (config-if)# default-gateway 192.168.24.1E. Switch1 (config)# line con 0 Switch1(config-line)# password cisco Switch1 (config-line)#login
This graphic shows the results of an attempt to open a Telnet connection to router ACCESS1 from router Remote27. Which of the following command sequences will correct this problem? () A. ACCESS1(config)# line console 0 ACCESS1(config-line)# password ciscoB. Remote27(config)# line console 0 Remote27(config-line)# login Remote27(config-line)# password ciscoC. ACCESS1(config)# line vty 0 4 ACCESS1(config-line)# login ACCESS1(config-line)# password ciscoD. Remote27(config)# line vty 0 4 Remote27(config-line)# login Remote27(config-line)# password ciscoE. ACCESS1(config)# enable password ciscoF. Remote27(config)# enable password cisco
【单选题】输入以下命令的作用是什么？ R1（config）# line vty 0 4 R1（config-line）# password check123 R1（config-line）# loginA．确保在进入用户执行模式之前输入口令B．设置通过 Telnet 连接该路由器时使用的口令C．要求在保存配置前输入 check123D．创建本地用户帐户以便登录路由器或交换机