Explanation:
To use a manual operating system backup you need first to add the backup to the catalog using the CATALOG command, and they you can use RMAN to recover the database. Incorrect Answer:
1: You don’t have to perform the restore and recover operations manually.
2: It’s not required to resynchronize the catalog with the control file.
4: RMAN does not automatically update the catalog with the backup information.
Reference:
OCP Oracle 9i Database: Fundamentals II Exam Guide, Rama Velpuri, p. 324-325
Chapter 13: RMAN Complete Recovery

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