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
单项选择题 Apartfrominterdomainmulticastrouting，whatelseisMSDPusedfor？（）
单项选择题 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？（）
单项选择题 HowisRPFusedinmulticastrouting？（）
