An EMC NetWorker customer is implementing a SAN backup solution by configuring four
dedicated storage nodes. The customer plans to use a physical library with two drives. To support
this environment, which feature must be used?

A.
DBO

B.
Parallelism

C.
DDS

D.
Multiplexing

Explanation:
This feature is called Dynamic Drive Sharing, where the library tape drives can be
shared through storage nodes, but only one can allocate the drive at a time