Your customer is booting their dual-attached HP-UX servers from the DMX via an M-series SAN.
They are using PowerPath 4.x. Over the weekend they added a new switch and changed some
storage cabling. Now they cannot boot up the servers. What is the reason for this?

A.
Customer did not update the masking information in the VCMDB

B.
Customer did not remove the failed links with powermt check

C.
Customer did not delete the hardware path links to the storage prior to the changes

D.
Customer did not export the zoning information