单项选择题
You are using VTP version 2 in your network to transport VLAN information between switches. When adding a switch to the network that has been used in the lab previously， you notice that a lot of the existingVLANs have been deleted or replaced with other names. What can you do to prevent this from happeningin the future， without losing all VTP features that you are using today？（）
A.configure a hard-to-guess VTP domain name
B.use a hard-to-guess VTP password
C.use VTP transparent mode
D.implement VTP version 3
相关考题
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单项选择题
WhichofthesebestidentifiesthetypesofprefixesarouterrunningBGPwilladvertisetoanEBGPpeer？（）
A. prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributed to BGP
B. all prefixes in its IP routing table
C. only prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed
D. only prefixes received from EBGP peers and prefixes received from route reflectors
E. all prefixes in its routing table except the prefixes received from other EBGP peers
F. all prefixes in its routing table except the prefixes received from other IBGP peers -
多项选择题
Whentroubleshootingduplexmismatches，whichtwoareerrorsthataretypicallyseenonthehalfduplexend？（）
A.excessive collisions
B.FCS errors
C.runts
D.late collisions -
单项选择题
Whichconfigurationisusedtoenablerootguard？（）
A.interface gig3/1 spanning-tree guard root
B.interface gig3/1 spanning-tree root guard
C.interface gig3/1 spanning-tree root-guard
D.interface gig3/1 spanning-tree root-guard default
