An administrator notices that there is an all paths down (APD) event occurring for the software FcoE storage.
What is a likely cause?

A.
Spanning Tree Protocol is enabled on the network ports.

B.
Spanning Tree Protocol is disabled on the network ports.

C.
Spanning Tree Protocol is enabled on the storage processors.

D.
Spanning Tree Protocol is disabled on the storage processors.

Explanation:

Prevent all paths down event on FcoE storage by disabling STP on network ports.