What are two ways to do this remotely from the NetWorker server?

Your customer is running an EMC NetWorker 7.6 server and wants to upgrade their clients running NetWorker 7.4.

What are two ways to do this remotely from the NetWorker server?
A . Software Administration Wizard and nsrpush
B . Copy with Clients and nsrpush
C . Software Administration Wizard and nsrclient
D . Copy and nsrpush

Answer: A