Fundamentals · Hard · Free
Multi-AZ vs multi-region disaster recovery — fresher view.
FresherFundamentalsCloud Basics
DR strategies
For Multi-AZ vs multi-region disaster recovery — fresher view., interviewers listen for a crisp definition, how the pieces interact in a real system, and one trade-off or failure mode you have seen or would guard against.
| Strategy | RTO/RPO | Cost |
|---|---|---|
| Multi-AZ | Minutes / low | Moderate |
| Multi-region active-passive | Higher | Higher |
| Backup & restore | Hours | Lower |
Match DR spend to business criticality—placement portal vs bank.