A. a single host
B. a subset of hosts
C. all hosts sequentially
D. all hosts simultaneously
Forward ip multicast packets based on what？
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Which three IP multicast group concepts are true?（）A、If a packet is sent to a multicast group address, the multicast frame contains the source multicast address.B、A router does not have to be a member of a multicast group to recei ve multicast data.C、A router must be a member of a multicast group to send to the group.D、A router does not have to be a member of a multicast group to send to the group.E、If a packet is sent to a multicast group address, all members of the multic ast group will receive it.F、A router must be a member of a multicast group to receive multicast data.
In a run sparse-dense-mode multicast network， when rendezvous point down ， will the recipient receive the packets send by the source？why？
To which of these does IP multicast send packets?（）A、a single hostB、a subset of hostsC、all hosts sequentiallyD、all hosts simultaneously
How is RPF used in multicast routing？（）A、to prevent multicast packets from loopingB、to prevent PIM packets from loopingC、to instruct PIM where to send a （*， G） or （S， G） join messageD、to prevent multicast packets from looping and to instruct PIM where to send a （*， G） or （S， G） joinmessage
Which three IP multicast group concepts are true？ （Choose three.） （）A、 If a packet is sent to a multicast group address， all members of the multicast group will receive itB、 If a packet is sent to a multicast group address， the multicast frame contains the source multicast addressC、 A router does not have to be a member of a multicast group to receive multicast data.D、 A router does not have to be a member of a multicast group to send to the group.E、 A router must be a member of a multicast group to receive multicast data.F、 A router must be a member of a multicast group to send to the group.
The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?（）A、direct modeB、round robinC、weighted round robinD、No algorithm is used.
