单项选择题
On your OSPF network, routers TK1 and TK2 belong to the same Ethernet network. However, they are unable to establish an adjacency over this link. While troubleshooting this problem, you issue the "show ip ospf interface Ethernet 0"command on each router. The output from these commands is displayed below:
What is the underlying cause of the routers failing to become adjacent?（）
A. The OSPF area is misconfigured.
B. The priority on TK2 should be set lower.
C. The cost on TK2 should be set lower.
D. The hello and dead timers are misconfigured.
E. You need to add a backup designated router to the network.
F. The OSPF process ID numbers do not match.
相关考题
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多项选择题
While trying to diagnose a routing problem in the network, you issue RIP debugging as displayed below: RtrA#debug ip rip Rip protocol debugging is on RtrA# 1d05h: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (172.16.1.1) 1d05h: RIP: build update entries 1d05h: network 10.0.0.0 metric 1 1d05h: network 192.168.1.0 metric 2 1d05h: RIP: sending v1 update to 255.255.255.255 via Serial0/0 (10.0.8.1) 1d05h: RIP: build update entries 1d05h: network 172.16.0.0 metric 1 RtrA# 1d05h: RIP: received v1 update from 10.0.15.2 on Serial0/0 1d05h: 192.168.1.0 in 1 hops 1d05h: 192.168.0 in 16 hops (inaccessible) Based on the output of the above exhibit, which two of the following statements are true?（）
A. A ping to 10.0.15.2 will be successful.
B. RtrA has three interfaces that will take part in the RIP process.
C. There are at least two routers participating in the RIP process.
D. A ping to 192.168.168.2 will be successful. -
单项选择题
Which one of the following privileged EXEC mode IOS show commands will display the state of the OSPF DR/BDR (designated router / backup designated router) election process?（）
A. TK1# show ip ospf interface
B. TK1# show ip ospf priority
C. TK1# show ospf neighbor detail
D. TK1# show ospf processes
E. TK1# show ospf neighbor state -
多项选择题
To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?（）
A. Each end of the trunk line must be set to IEEE 802.1E encapsulation.
B. The VTP management domain name of both switches must be set the same.
C. All ports on both the switches must be set as access port.
D. One of the two switches must be configured as a VTP server.
E. A rollover cable is required to connect the two switches together.
F. A router must be used to forward VTP traffic between VLANs.
