AWS Certified Cloud Practitioner
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Which of the following disaster recovery deployment mechanisms that has the lowest downtime?
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RRitesh
0
A
Pilot light
B
Warm standby
C
Backup Restore
D
DevOps
Explanation:
Explanation
Warm standby has the lowest downtime among the listed disaster recovery deployment mechanisms.
Disaster Recovery Spectrum:
- Backup Restore: Highest downtime - involves restoring from backups after a disaster occurs
- Pilot Light: Moderate downtime - core infrastructure is running but needs scaling up
- Warm Standby: Lowest downtime - minimal infrastructure is always running and ready to scale
- DevOps: Not a disaster recovery mechanism - refers to development operations practices
Key Points:
- Warm standby maintains a scaled-down version of the environment that can be quickly scaled up during a disaster
- This approach provides faster recovery times compared to pilot light or backup restore methods
- The AWS documentation shows that warm standby is at the end of the spectrum with the least downtime for users
For more information on AWS disaster recovery techniques, refer to: https://aws.amazon.com/blogs/aws/new-whitepaper-use-aws-for-disaster-recovery/
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