What security mechanism can an administrator use on an OSSV client to set permissions allowing backups to a SnapVault secondary system?

A.
Via /etc/hosts.equiv file

B.
QSM access list modifiable via svconfigurator

C.
Contents inside a file called access and located in OSSV /snapvault/etc

D.
MD5 based authentication between SnapVault primary and secondary, with changeable password