You are asked to ensure that an unauthorized switch running spanning tree cannot be added to
any edge port on your EX Series switch. The ports must discard any incoming spanning tree
packets but the interface must continue to forward traffic.
What should you do to accomplish the behavior?

A.
Enable BPDU protection.

B.
Enable BPDU protection and use the drop feature.

C.
Enable root protection and use the drop feature.

D.
Enable root protection.