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Question :-

What is the recommended method for removing old backup images and log files for a DB2 10.1 database?
Manually delete old backups and logs.
Utilize the PRUNE LOGFILE PRIOR TO command to remove old backups and logs.
Utilize the PRUNE HISTORY AND DELETE command to remove old backups and logs.
Set the DB2PRUNE_ACTION_LOG configuration parameter to a desired date before generating a new backup.

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