Explanation:
Offline data files and datafiles in read-only table spaces do not require synchronization during media recovery.
Incorrect Answers:
2: Archived data files are considered as part of database, they need to be synchronized during media recovery also.
4: Data files in a rollback segment table space require synchronization also.
Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 675-683
Chapter 14: Database Failure and Recovery

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