單項選擇題

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

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多項選擇題

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.

多項選擇題

Which router IOS commands can be used to troubleshoot LAN connectivity problems?（）

A. Ping
B. Tracert
C. Ipconfig
D. Show ip route
E. Winipcfg
F. Show interfaces