试题详情
- 单项选择题In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicast traffic to a group？（）
A、The source must send a PIM Register message to the rendezvous point （RP）
B、The source must first join the multicast group using IGMP before sending
C、The source must perform a Request to Send （RTS） and Clear to Send （CTS） handshake with the PIM designated router （DR）
D、No control plane signaling needs to be performed；the source can simply begin sending on the local subnet
- D
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