The switch MAC address table is existing as follows, which of the following statements is correct?

The switch MAC address table is existing as follows, which of the following statements is correct?

A . The MAC address 5489-9885-1838 is manually configured by the administrator.
B . The MAC address 5489-9811-0b49 is manually configured by the administrator
C . The MAC address 5489-3891-1450 is manually configured by the administrator.
D . After the switch is restarted, all MAC addresses need to be re-learned.

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Answer: B