Security

Auditing of :
    User connections
    Users System privileges
    User Object privileges
    Data access
    Data Modification
    Structure modification

Performance

Auditing performance for :
    Database I/O operations
    Wait events
    Data access
    Memory configuration
    Redo logs configuration
    Other Instance configuration    
    Network

Data Protection & Availability

Backup & Restore strategy

Database availability

Compliance with RTO & RPO