A customer has a SAN consisting of two FC switches with a single 4Gb/s ISL between them.
There are six hosts attached to one switch, with an average throughput of 30MB/s each, and a
single storage subsystem port connected to the second switch at 2Gb/s. The deployment is
performing poorly and you have been tasked with identifying the possible cause. What is the
cause of the degraded performance?

A.
ISL oversubscription

B.
HBA oversubscription

C.
Switch oversubscription

D.
Target oversubscription

Explanation: