单项选择题

You are troubleshooting a Catalyst 5000 trunk in the network. What should you do if there’s adisagreement about the VLANs configured to use the trunk？（）

A.Reload the active VLAN configuration
B.Clear the affected port and bring it up again
C.Explicitly set the trunk for the VLAN to be on
D.Remove all the VLANs set

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多项选择题

You have a trunk link operating between two switches and you’re experiencing problems withframes leaking between the two VLANs. Each switch has identical modules， software revisionsand VLAN configuration information. Spanning tree protocol is disabled on all VLANs. What isprobably causing this problem？（）

A.The link is using IEEE 802.1Q protocol
B.The link is using IEEE 802.1E protocol
C.Spanning tree is disabled
D.Not enough information to determine
E.The native VLAN information is identical at each end of the link
F.The native VLAN information is different at each end of the link

单项选择题

You’re a network administer and you issue the command （show port 3/1） on an Ethernet port. Toyour surprise you notice a non-zero entry in the ’Giants’ column. What could be the cause of this？（）

A.IEEE 802.1Q
B.IEEE 802.10
C.Misconfigured NIC
D.User configuration
E.All of the above

多项选择题

In the network， VLAN Trunking Protocol （VTP） is running with a domain name of R1. VLANs 1， 2，3， 4， 5， 10， 20 are active on the network. Suddenly the whole network goes down. No traffic isbeing passed on VLANs 2， 3， 4， 5， 10， 20. However， traffic passes on VLAN 1 and indicates allswitches are operational. Right before the network problem occurred； a switch named SW13 wastaken out of the lab and added to the network. What three configuration issues on SW13 could becausing the network outage？（）

A.SW13 has a higher VTP configuration revision than the current VTP revision
B.SW13 is configured as a VTP server with a different domain name
C.SW13 is configured as a VTP server with the domain name R1
D.SW13 has a lower VTP configuration revision than the current VTP revision
E.SW13 is not configured to participate in VTP
F.SW13 is configured with only VLAN1