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A reads or writes to tapes b performs media recovery c

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Unformatted text preview: ager ________. A. Reads or writes to tapes. B. Performs media recovery. C. Reads or writes to disk files. D. Reads or writes through a channel. Answer: A Explanation: A media management layer is always used when recover manager reads or writes to tapes. Incorrect Answers: B: A media management layer (MML) is not used to perform media recovery. C: MML does not read or write to disk files. D: It does not read or write trough a channel. Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 611 Chapter 13: Using Recovery Manager for Backups QUESTION 120: Which two records does the Recovery manager RESYNC CATALOG command update? (Choose two) A. Alert log records. B. Log switch records. C. Rollback segment records. D. Archived log copy records. Answer: B, D Explanation: The recovery catalog is not updated when a lo switch occurs, when a log file is archived, or when datafiles or redo logs are added. Thus, the RESYNC CATALOG command must Actualtests.com - The Power of Knowing 1Z0-025 periodically be executed to keep the recovery catalog in line with the product...
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