The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)

Received a data frame with a source MAC address of 5489-9811-0b49 and a destination MAC address of 5489-989d1d30 from the port. Forwarded from the Eth0/0/2 port
The data frame with the source MAC address of 5489-9885-18a8 and the destination MAC address of 5489-989d-1d30 is received from the port. It is forwarded from the Eth0/0/1 port
When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned
When the switch restarts, the MAC address learned by port Eth0/0/2 does not need to be relearned

Answer(s): B

The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the Blocking state? ()

Answer(s): B

The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)

The MAC address 5489-9811-0b49 is manually configured by the administrator
The MAC address 5489-989d-1d30 is manually configured by the administrator
After the switch restarts, all MAC addresses need to be relearned. The MAC address 5489-9885- 18a8 is manually configured by the administrator
The MAC address 5489-9885-18a8 is manually configured by the administrator

Answer(s): A