1z0-067 무료 덤프문제 온라인 액세스

Which two statements are true about dropping a pluggable database (PDB)?

• A.A PDB must have been opened at least once after creation.
• B.A dropped and unplugged PDB can be plugged back into the same multitenant container database (CDB) or other CDBs.
• C.A PDB must be in closed state.
• D.The data files associated with a PDB are automatically removed from disk.
• E.The backups associated with a PDB are removed.
• F.A PDB must be in mount state or it must be unplugged.

You want to back up a database such that only formatted blocks are backed up. Which statement is true about this backup operation?

• A.The tablespace must be taken offline.
• B.The backup must be performed in mount state.
• C.All files must be backed up as backup sets.
• D.The database must be backed up as an image copy.

For which two requirements would you use the Database Resource Manager?

• A.limiting the degree of parallelism of operations performed by a user or group of users
• B.specifying the amount of private space a session can allocate in the shared pool of the SGA
• C.specifying an idle time limit that applies to sessions that are idle and blocking other sessions
• D.limiting the CPU used per database call
• E.specifying the maximum number of concurrent sessions allowed for a user

Which two statements are true about setting the FAST_START_MTTR_TARGET parameter to a nonzero value? (Choose two.)

• A.The time taken to recover an instance after a crash is always exactly the same as the value set for the FAST_START_MTTR_TARGET parameter.
• B.The MTTR advisor is enabled only if the value is greater than the default value.
• C.Automatic checkpoint tuning is enabled.
• D.The value of the LOG_CHECKPOINT_INTERVAL parameter overrides the value of the FAST_START_MTTR_TARGET parameter.

Which two are prerequisites for creating a backup-based duplicate database?

• A.matching the database identifier (DBID) of the source database and the duplicate database
• B.creating a password file for an auxiliary instance
• C.creating an SPFILE for the target database
• D.connecting to the target database and a recovery catalog to execute the duplicate command
• E.connecting to an auxiliary instance