What is the correct virtual link configuration on an OSPF router?() A.B.C.D.
What is the correct virtual link configuration on an OSPF router?()
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某园区网采用OSPF路由协议，参与OSPF的网络地址是169.111.0.0/16 Cisco路由器的正确配置是A．Router (config) #router ospf 63 Router (config-router) #network 169.111.0.0 0.0.0.0 area 0 Router (config-router) #area 0 range 169.111.0.0 255.255.0.0B．Router (config) #router ospf 63 Router (config-router) # network 169.111.0.0 255.255.0.0 area 0 Router (config-router) #area 0 range 169.111.0.0 255.255.0.0C．Router (config) #router ospf 63 Router (config-router) #network 169.111.0.0 0.0.255.255 area 0 Router (config-router) #area 0 range 169.111.0.0 255.255.0.0D．Router (config) #router ospf 63 Router (config-router) #network 169.111.0.0 0.0.255.255 area 0 Router (config-router) #area 0 range 169.111.0.0 0.0.255.255
某园区网采用OSPF路由协议，参与OSPF的网络地址是169.111.0.0/16，Cisco路由器的正确配置是______。A．Router(config) #router ospf 63 Router(config-router) #network 169.111.0.0 0.0.0.0 area 0 Router(config-router) #area 0 range 169.111.0.0 255.255.0.0B．Router(config) #router ospf 63 Router(config-router) #network 169.111.0.0 255.255.0.0 area 0 Router(config-router) #area 0 range 169.111.0.0 255.255.0.0C．Router(config) #router ospf 63 Router(config-router) #network 169.111.0.0 0.0.255．255 area 0 Router(config-router) #area 0 range 169.111.0.0 255.255.0.0D．Router(config) #router ospf 63 Router(config-router) #network 169.111.0.0 0.0.255.255 area 0 Router(config-router) #area 0 range 169.111.0.0 0.0.255.255
下面哪条命令是正确的，如果要将192.168.1.0/24的业务网段发到OSPF的area0（)A.Router(config-router)network 192.168.1.0 0.0.0.2550B.Router(config-router)network 192.168.1.0 0.0.0.255 area0C.Router(config-router)network 192.168.1.0 255.255.255.255 area0D.Router(config-router)network 192.168.1.0 0.0.0.0 area0
Which three statements are correct regarding the CLI command, 12tp destination profile to－NewYork virtual－router vr1 ip address 1.1.1.1 ? ()(Choose three.) A. LNS IP address is defined.B. LAC IP address is defined.C. Virtual-router vr1 sends and receives L2TP traffic.D. Virtual-router vr1 is the authenticating virtual-router.E. This command is performed on the LNS.
The output of the show aaa domain-map displays the following information:Domain: isp1.com; virtual-router: vr1; loopback: 1Domain: isp2.com; virtual-router: vr2; loopback: 1Domain: none; virtual-router: vr3; loopback: 1Domain: default; virtual-router: vr4; loopback: 1The end user supplies a login name of joe@isp7.com .Which virtual router is responsible for authenticating this user?（）A. vr1B. vr2C. vr3D. vr4
Which command will delete the current rescue configuration?() A. user@router# system delete configuration rescueB. user@router request system configuration rescue deleteC. user@router# delete rescue configurationD. user@router file delete rescue-configuration
Several links have been broken so th at for the next day or two, what was formerly a contiguous area 0 has been broken into two parts. However, both parts of area 0 have working links into area 1 using routers with RID 1.1.1.1 and 2.2.2.2.Which answers list the command on the router with RID 1.1.1.1 to create a virtual link to help solve this temporary problem?（）A. area 0 virtual - link 2.2.2.2B. area 1 virtual - link 2.2.2.2C. area 0 source - rid 1.1.1.1 dest - rid 2.2.2.2D. virtual - link transit - area 1 RID 2.2.2.2
Refer to the exhibit. During the process of configuring a virtual link to connect area 2 with the backbone area, the network administrator received this console message on R3:*Mar 1 00:2 5:01.084: %OSPF -4- ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual link but not found from 20.20.20.1, Serial 0 .How should the virtual link be configured on the OSPF routers to establish full connectivity between the areas?（）A.R1(config - router)# area 0 virtual - link 1.1.1.1R3(config - router)# area 2 virtual - link 3.3.3.3B.R1(config - router)# area 1 virtual - link 2.2.2.2 R3(config - router)# area 1 virtual - link 2.2.2.2C.R1(config - router)# area 1 virtual - link 20.20 .20.2 R3(config - router)# area 1 virtual - link 30.30.30.2D.R1(config - router)# area 1 virtual - link 30.30.30.3 R3(config - router)# area 1 virtual - link 20.20.20.1E.R1(config - router)# area 1 virtual - link 3.3.3.3 R3(config - router)# area 1 virtual - link 1.1 .1.1
ThefollowingcommandisissuedonaCiscoRouter:Router(configuration)loggingconsolewarningsWhichalertswillbeseenontheconsole?() A.WarningsonlyB.debugging，informational，notifications，warningsC.warnings，errors，critical，alerts，emergenciesD.notifications，warnings，errorsE.warnings，errors，critical，alerts
【单选题】下面哪条命令是正确的，如果要将192.168.1.0/24的业务网段发到OSPF的area 0（)A．Router(config-router)# network 192.168.1.0 0.0.0.255 0B．Router(config-router)# network 192.168.1.0 0.0.0.255 area 0C．Router(config-router)# network 192.168.1.0 255.255.255.255 area 0D．Router(config-router)# network 192.168.1.0 0.0.0.0 area 0