An administrator has just enabled multi-path connectivity to a storage array, but the host can only detect a single path. The switches detect both HBA ports. Which of the following fabric components is the MOST likely cause?

A.
The host was plugged in to the wrong switch port.

B.
Zone configuration is incorrect, or not applied.

C.
Host fiber is faulty or SFP is unsupported.

D.
Switch port ISLs are too busy to support the new requests.