多项选择题WhichofthefollowingfourCRScomponentsmustbeactiveonaHistoricalReportingDatabase(HRDB)andCallRecordingexpansionserver?()
A.CRS Node Manager
B.CRS Engine
C.Cisco Recording
D.CRS Application Editor
E.Cisco Monitoring
F.CRS Repository Datastore, CRS Historical Datastore, CRS Config Datastore, CRS Agent Datastore