Examine the following set of RMAN commands:
RKAN> CONFIGURE CHANNEL del DEVICE TYPE DISK FORMAT ' /u02/backup/%U' ;
RKAN> RUN
{
ALLOCATE CHANNEL chl DEVICE TYPE DISK;
EXECUTE SCRIPT arc_backup;
}
Which statement is true about the RMAN run block execution?

• A.The new channel, chi, is ignored because a channel has been configured already.
• B.The persistent configuration parameter, DC1, is overridden because a new channel is allocated in the RMAN run block.
• C.The script is executed and both DC1 and chi channels are used for script execution.
• D.The execution of the script fails because multiple channels cannot exist simultaneously.

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You plan to use the In-Database Archiving feature of Oracle Database 12c, and store rows that are inactive for over three months, in Hybrid Columnar Compressed (HCC) format.
Which three storage options support the use of HCC? (Choose three.)

• A.ASM disk groups with ASM disks consisting of Exadata Grid Disks.
• B.ASM disk groups with ASM disks consisting of LUNS on any Storage Area Network array
• C.ASM disk groups with ASM disks consisting of any zero padded NFS-mounted files
• D.Database files stored in ZFS and accessed using conventional NFS mounts.
• E.Database files stored in ZFS and accessed using the Oracle Direct NFS feature
• F.Database files stored in any file system and accessed using the Oracle Direct NFS feature
• G.ASM disk groups with ASM disks consisting of LUNs on Pillar Axiom Storage arrays

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Your database has a table customer that contains the columns cust_name, amt_due, and old_status.
Examine the commands executed and their output:

Why is it that only one update is listed by the Flashback Version Query?

• A.Undo retention guarantee is not enabled.
• B.The undo data that existed for versions of rows before the change to the table structure is invalidated.
• C.Supplemental logging is not enabled for the database.
• D.Flashback Data Archive is full after the first update statement.
• E.The db_flashback_retention_target parameter is set to a lower value and the undo data pertaining to the first transaction is flushed out.

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Identify three benefits of unified auditing.

• A.An audit trail cannot be modified because it is read-only.
• B.It helps to reduce disk space used to store an audit trail in a database.
• C.It automatically audits Recovery Manager (RMAN) events.
• D.It guarantees zero-loss auditing.
• E.It reduces overhead on a database caused by auditing,by having a single audit trail.

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Which three are true about RMAN duplexed backup sets or image copies? (Choose three.)

• A.An image copy on disk can be copied to sbt.
• B.A backup set may be duplexed so that one copy is written to sbt and the other to disk.
• C.A backup set may be duplexed with both copies written to sbt.
• D.An image copy on disk can be copied to disk.
• E.An image copy on sbt can be copied to disk.
• F.A backup set may be duplexed with both copies written to disk.

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