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NEW QUESTION 34
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

A. By default, AWR snapshots are automatically purged after eight days.B. AWR snapshots must be deleted when no longer required by ADDM.C. ADDM can recommend shrinking the buffer cache.D. ADDM performs its analysis only when a DBA requests it.E. ADDM can recommend extending the buffer cache.F. By default, MMON creates an AWR snapshot every 30 minutes.

Answer: A,C,E

 

NEW QUESTION 35
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

A. AWR snapshots must be deleted when no longer required by ADDM.B. By default, AWR snapshots are automatically purged after eight days.C. ADDM can recommend extending the buffer cache.D. ADDM can recommend shrinking the buffer cache.E. ADDM performs its analysis only when a DBA requests it.F. By default, MMON creates an AWR snapshot every 30 minutes.

Answer: A,B,D

 

NEW QUESTION 36
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A. Duplication can be done by having the target database instance push copies to the auxiliary database instance.B. Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.C. A backup of the target database is always required.D. A subset of the target database can be duplicated.E. A new DBID is always created for the duplicated database.F. A connection to the target database instance is always required.G. A connection to the recovery catalog instance is always required.H. A connection to an auxiliary instance is always required.

Answer: A,B,D,H

Explanation:
Explanation
A duplicate database is a copy of your target database. With the FOR STANDBY clause, it keeps the same unique database identifier(DBID); If FOR STANDBY not specified it creates a new DBID. The duplicate database can include the same content or only a subset from the source database. It can be in the same host or a separate host. The principal work of the duplication is performed by the auxiliary channels.These channels correspond to a server session on the auxiliary instance on the destination host for backup based duplication.
For active database duplication the target channels perform the work of pushing data file copies to the auxiliary instance (if number of allocated target channels is greater than the number of allocated auxiliary channels).

 

NEW QUESTION 37
Your production database is running in archivelog mode. You use RMAN with a recovery catalog to back up your database to media and the database is uniquely identified in the recovery catalog. You want to create a test database from the production database and allow the production database to remain open during the duplicate process. You restore the database backups to a new host with the same directory structure as the production database and want to use the recovery catalog for future backups after the database is successfully restored to the new host. How would you achieve this?

A. by using the RMAN duplicate command with dbid and set new name for tablespace to recover the database to the new hostB. by using the RMAN switch command to set the new location for the data filesC. by creating a new database in the new host, and then using the RMAN recover commandD. by using the RMAN duplicate command with nofilenamecheck to recover the database to the new host

Answer: D

 

NEW QUESTION 38
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