Your customer recently upgraded their IP switch hardware. Since the upgrade, the customer is
experiencing performance degradation on certain NFS exports configured on a VNX for File
storage system. The file systems providing the problem exports are all mounted to DataMovers
that have been attached to ports on the new switches as part of the upgrade. They have engaged
you for advice.
Which action would you recommend?

A.
Check for duplex mismatch

B.
Change MTU size

C.
Change write-aside value

D.
Check for speed mismatch