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Question 154

Which of the following statements are true about the blackhole MAC address table?

Entries are manually configured and delivered to each interface card. The entries cannot be aged out.

After a device is reset, an interface card is hot swapped, or an interface card is reset, the saved entries on the device or interface card are not lost.

After a blackhole MAC address is configured on a device, the device discards packets whose source or destination MAC address is the blackhole MAC address.

Blackhole MAC address entries can be used to filter out unauthorized users.

Correct Answer: C

A blackhole MAC address is configured on a device to discard packets whose source or destination MAC address matches the blackhole MAC address. This is a common practice used to mitigate certain network issues or security threats. Therefore, the correct statement is that after a blackhole MAC address is configured on a device, packets with the blackhole MAC address as the source or destination are discarded.

Discussion

jjbt_112

A,B,C,D are corrects.

Majid009Option: A

Answer A is correct also