Disaster Recovery

Question 1

Wha are the 4 categories of Disaster Recovery approaches, ranked from least to most expensive

Answer 1

• Backup and Restore
• Pilot Light
• Warm Backup
• Multi-site / Active-Active

Question 2

What are these, and what do they mean?

1. RTO
2. RPO

Answer 2

1. RTO is Recovery Time Objective - The time to recover from a disaster
2. RPO is Recovery Point Objective - Amount of time since last recovery point. Its a measure of data loss