The breakdown is:

Backup and Recovery Considerations 2
Oracle Recovery Structures and Processes 3
Oracle Backup and Recovery Configuration 5
Oracle Recovery Manager Overview 7
Oracle Recovery Catalog Maintenance 6
Physical Backups without Oracle Recovery Manager 6
Physical Backups using Oracle Recovery Manager 5
Types of Failures and Troubleshooting 5
Oracle Recovery without Archiving 3
Complete Oracle Recovery with Archiving 6
Incomplete Oracle Recovery with Archiving 4
Oracle Export and Import Utilities 3
Additional Oracle Recovery Issues 5

One-third of the test is RMAN.