You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server. Examine this command and its outcome: Which two are true? (Choose two.)

• A.oracle can own an Oracle Database installation but not an Oracle Grid Infrastructure installation.
• B.oracle must be the owner of every Oracle Database installation.
• C.oracle will be granted the SYSASM privilege when installing the Oracle Database software.
• D.The user account, oracle, and group, oinstall, can be used for all Oracle software installations.
• E.oracle will be an owner of the Oracle Inventory.

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Which two are true about backup set compression using RMAN default compression? (Choose two.)

• A.Binary compression adds CPU overhead to backup operations.
• B.Unused blocks below the high water mark are backed up.
• C.Compressed backups can be written only to media.
• D.Compression can be done only for locally managed tablespaces.
• E.Compressed backups cannot have a section size defined.

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While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup istaking too long and suspect a performance bottleneck. Which three are true about diagnosing and tuning these problems? (Choose three.)

• A.If an RMAN BACKUP VALIDATE command takesroughly the same time as an actual backup, then read I/O is a likely bottleneck.
• B.Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.
• C.Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.
• D.If an RMAN BACKUP VALIDATE command takes noticeably lessthan an actual backup, then write I/O is a likely bottleneck.
• E.Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.
• F.Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using asynchronous I/O/
• G.If an RMAN BACKUP VALIDATE command takesroughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.

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Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

• A.A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
• B.The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
• C.An existing Oracle base can be used.
• D.The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
• E.Existing Oracle Database instances must be shut down before starting the upgrade.
• F.Only the grid user can perform the upgrade.

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Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor?

• A.The Data Recovery Advisor change failure command can be used only to change failure priorities.
• B.A failure can be closed only when it has been repaired.
• C.Data Recovery Advisor can be used if a database is closed.
• D.Data Recovery Advisor can proactively check for failures.
• E.Using the Data Recovery Advisor list failure command always requires that the database for which failures are to be listed is in mount state.

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