Explanation:
It's not good idea because there will be too many dependencies.
Incorrect Answers:
1: The catalog is not a recognized procedure.
3: Correct answer is NO.
4: A database that contains a catalog can be target database also and vise-versa.
Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 610-614
Chapter 13: Using Recovery Manager for Backups

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