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You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter to YYYY-MMDD. The default format of which two data types would be affected by this setting?

• A. DATE
• B. TIMESTAMP
• C. INTERVAL DAY TO SECOND
• D. INTERVAL YEAR TO MONTH
• E. TIMESTAMP WITH LOCAL TIME ZONE

You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.

• A. The data file backup is done with multiple channels
• B. The data file backup complies with the back retention policy and the backup duplexing feature
• C. The backup was taken after the data files was taken offline-normal or is in the read only mode
• D. The data files is in the read-write mode after being backed up in the read only mode

Which two statements are true regarding the functionality of the remap command in ASMCMD?

• A. It repairs blocks by always reading them from the mirror copy and writing them to the original location.
• B. It checks whether the alias metadata directory and the file directory are linked correctly.
• C. It repairs blocks that have read disk I/O errors.
• D. It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.

You executed the following command In Recovery Manager {RMAN):
RMAN>REPORTNEEDBACKUPdays 3;
What is the output of this command?

• A. a list of files requiring more than 3 days of archive logs to apply
• B. a list of files that require a backup within three days
• C. a list of files for which a backup has already been performed in the last three days and which is required tobe backed up again based on the high number of transactions performed on them
• D. a list of files that RMAN recommends be backed up only once in every three days, based on low volatility

Which two statements are true about the duplexing of the backups taken by RMAN? (Choose two.)

• A. It's only supported for the backups performed on the tape
• B. Duplex backups need a parallelism for the device to be equal to number of copies
• C. It is not supported for backup operations that produce image copies
• D. Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously