A.
B.
C.
D.
第1题:
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. vr1
B. vr2
C. vr3
D. vr4
第2题:
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 2.2.2.2
B. area 1 virtual - link 2.2.2.2
C. area 0 source - rid 1.1.1.1 dest - rid 2.2.2.2
D. virtual - link transit - area 1 RID 2.2.2.2
第3题:
A.Warningsonly
B.debugging,informational,notifications,warnings
C.warnings,errors,critical,alerts,emergencies
D.notifications,warnings,errors
E.warnings,errors,critical,alerts
第4题:
A. user@router# system delete configuration rescue
B. user@router> request system configuration rescue delete
C. user@router# delete rescue configuration
D. user@router> file delete rescue-configuration
第5题:
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 3.3.3.3
B.R1(config - router)# area 1 virtual - link 2.2.2.2 R3(config - router)# area 1 virtual - link 2.2.2.2
C.R1(config - router)# area 1 virtual - link 20.20 .20.2 R3(config - router)# area 1 virtual - link 30.30.30.2
D.R1(config - router)# area 1 virtual - link 30.30.30.3 R3(config - router)# area 1 virtual - link 20.20.20.1
E.R1(config - router)# area 1 virtual - link 3.3.3.3 R3(config - router)# area 1 virtual - link 1.1 .1.1
第6题:
【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 0
B.Router(config-router)# network 192.168.1.0 0.0.0.255 area 0
C.Router(config-router)# network 192.168.1.0 255.255.255.255 area 0
D.Router(config-router)# network 192.168.1.0 0.0.0.0 area 0