In an environment that includes both a Master Domain Manager （MDM）  and Backup Master Domain Manger （BMDM），  which two options are  appropriate for the location of the database？ （）

• A、 local database installed on the MDM only
• B、 live local database installed on the BMDM only
• C、 single database on a clustered machine remote from the MDM and BMDM
• D、 live database installed on a single Fault Tolerant Agent within IBM  Tivoli Workload Scheduler network
• E、 live database on MDM and High Availability Disaster Recovery/Data  Guard standby database on BMDM