The tape library is connected to the IBM Tivoli Storage Manager server on Windows 2008 R2. The administrator reviews these messages:

What is the most effective action to solve the I/O error with the SCSI library?

A.
check for the correct element address in the library

B.
check for the correct serial number on the tape drive

C.
check for the correct installation of the tape SCSI driver on the operating system

D.
check for the correct drive mapping the World Wide Port Name to the element address

Explanation: