The MAC address of the existing switch is shown in the figure, which of the following statements is correct?
A . When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned
B. The data frame with source MAC address 5489-9885-18a8 and destination MAC address 5489-989d-1d30 learned from the port is forwarded from Eth0/0/1 port
C. The data frame with source MAC address 5489-9811-0b49 and destination MAC address 5489-989d-1d30 learned from the port is forwarded from Eth0/0/2 port
D. When the switch restarts, the MAC address learned by port Eth0/0/3 needs to be relearned
Answer: B
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