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.
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 it
- B、 If a packet is sent to a multicast group address， the multicast frame contains the source multicast address
- C、 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.
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