Explanation:
After choosing the recovery catalog database and creating necessary space, you need to create the owner of the recovery catalog and grant this user all necessary privileges. It should be created only in RCO1 database. Incorrect Answer:
2: You don’t need to create catalog owners in target database.
3: You don’t need to create catalog owners in target database.
4: You don’t need to create catalog owners in target database.
5: You need to create it only in recovery catalog database.
Reference:
OCP Oracle 9i Database: Fundamentals II Exam Guide, Rama Velpuri, p. 397-398
Chapter 17: Recovery Catalog Creation and Maintenance

---