ExpertMedium1 markMultiple Choice
AWS SAP-C02 · Question 32 · Domain 2.2: Business Continuity
A critical database runs on Amazon EC2 with EBS volumes. The business requires application-consistent backups every 4 hours. How can this be achieved with the LEAST operational overhead?
A critical database runs on Amazon EC2 with EBS volumes. The business requires application-consistent backups every 4 hours. How can this be achieved with the LEAST operational overhead?
Answer options:
A.
Write a cron job to freeze the database, take a snapshot, and unfreeze.
B.
Use AWS Backup with VSS-enabled EBS snapshots.
C.
Use Amazon Data Lifecycle Manager (DLM) for crash-consistent snapshots.
D.
Migrate to Amazon RDS.
How to approach this question
Look for the native feature that ensures application consistency for EBS.
Full Answer
B.Use AWS Backup with VSS-enabled EBS snapshots.✓ Correct
Use AWS Backup with VSS-enabled EBS snapshots.
AWS Backup supports Volume Shadow Copy Service (VSS) to take application-consistent backups of Windows instances.
Common mistakes
Assuming standard EBS snapshots are application-consistent.
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