Huawei
H12-821_V1.0 · Question #486
Regarding multicast MAC addresses, which of the following statements are incorrect? (Multiple choice)
The correct answer is C. The lower 23 bits of the multicast MAC address are 0x01005f, the 25th bit is fixed at 1, and the lower 23 bits of the MAC address are the lower 23 bits of the multicast IP address D. A multicast MAC address uniquely corresponds to an IP multicast address. See the full explanation below for the reasoning.
Question
Regarding multicast MAC addresses, which of the following statements are incorrect? (Multiple choice)
Options
- A1 multicast MAC address correctly corresponds to 32 IP multicast addresses
- BThe function of the multicast MAC address is to identify receivers belonging to the same multicast group on the link layer
- CThe lower 23 bits of the multicast MAC address are 0x01005f, the 25th bit is fixed at 1, and the lower 23 bits of the MAC address are the lower 23 bits of the multicast IP address
- DA multicast MAC address uniquely corresponds to an IP multicast address
How the community answered
(27 responses)- A4% (1)
- B15% (4)
- C81% (22)
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