Explanation:
Before creating catalog for RMAN, you need create a table space for the catalog and a recovery manager user.
Incorrect Answers:
1: The table space for the objects that RMAN will maintain in the recovery catalog needs to be created. And user with this table space set as the default table space for this user also needs to be created.
2: You don't need start up or shutdown the target database to created the recovery catalog.
3: You don't need to connect to target database to be able to create the recovery catalog.
Oracle 8, DBA Certification Exam Guide, Jason S. Couchman, p. 617-618
Chapter 13: Using Recovery Manager for Backups

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