What would be the most effective steps to troubleshoot this physical layer problem?

Refer to the exhibit.

The two connected ports on the switch are not turning orange or green. What would be the most
effective steps to troubleshoot this physical layer problem? (Choose three.)

A.
Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

B.
Ensure that cables A and B are straight-through cables.

C.
Ensure cable A is plugged into a trunk port.

D.
Ensure the switch has power.

E.
Reboot all of the devices.

F.
Reseat all cables.

Explanation:
The ports on the switch are not up indicating it is a layer 1 (physical) problem so we should check
cable type, power and how they are plugged in.