How should an administrator modify the Move Archive feature settings?

How should an administrator modify the Move Archive feature settings?
A . modify Site > Advanced > Storage settings
B . modify EvPSTMigratorServer.exe.configand EvStorageOnlineOpns.exe.config
C . modify EvTaskGuardian.exe.configand EvMoveArchiveTask.exe.confg
D . modify Policies > Mailbox > Advanced

Answer: C