— Exhibit – — Exhibit — Click the Exhibit button. In the exhibit, all switches run STP;
however, the link between bridge G and bridge E fails. What does root bridge A do after it
receives information about this link failure?

A.
Root bridge A sets the acknowledge flag and sends an updated topology BPDU.

B.
Root bridge A sends a topology change notification BPDU.

C.
Root bridge A sets the topology change flag and sends an updated configuration BPDU.

D.
Root bridge A floods an updated BPDU topology database.

Explanation: