Answer:
Code           Control Plan
____D_____1. Library controls
____P_____2. Program change controls 
____D_____3. Fire and water alarms
____C_____4. Fire and water insurance 
____C_____5. Install batteries to provide backup for temporary loss in power 
____C_____6. Backup and recovery procedures 
____P_____7. Service level agreements 
____C_____8. IT steering committee 
____P_____9. Security officer 
____P_____10. Operations run manuals 
____D_____11. Rotation of duties and forced vacations 
____C_____12. Fidelity bonding 
____P_____13. Personnel management (supervision) 
____C_____14. Personnel termination procedures 
____P_____15. Segregation of duties 
____D_____16. Strategic IT plan 
____C_____17. Disaster recovery planning 
____P_____18. Restrict entry to the computer facility through the use of employee badges, guest sign- in, and locks on computer room doors 
____P_____19. Access control software 
____D_____20. Personnel development controls
Explanation:
P (preventive) controls protect against errors occurring. 
D (detective) controls discover errors that have already occurred.
C (corrective) controls correct errors that have already occurred.