单项选择题
Refer to the exhibit. Look at the command output. What can you use to prevent this behavior？ （）
A. UDLD （UniDirectional Link Detection） B. spanning-tree loopguard C. VTP mode transparent D. switchport mode desirable
WhichIGMPv2messagecontainsanon-zero"MaxResponseTime"？（）...
单项选择题Which IGMPv2 message contains a non-zero "Max Response Time"？（）
A.Membership Query B.Membership Report C.Membership Delay D.Backward Compatible IGMPv1 Report Message
Apartfrominterdomainmulticastrouting，whatelseisMSDPused...
单项选择题Apart from interdomain multicast routing， what else is MSDP used for？（）
A.Source Specific Multicast and IGMPv2 B.Announcing multicast sources to BGP speakers C.Anycast RP D.Intradomain multicast routing
Refer to the exhibit. Look at the command output. Assum...
Refer to the exhibit. Look at the command output. Assume that there is no other path， and the configuration is correct. What would be the consequences of this situation？（）
A. Users in SW1 can ping SW2 but not vice versa. B. Users in SW2 can ping SW1 but not vice versa. C. Users in SW1 and SW2 can ping each other. D. Users in SW1 and SW2 cannot ping each other.
