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← AZ-305: Azure Infrastructure Solutions
AZ-305 · Backup and disaster recovery

Practice question 213 of 400 · hard

A hybrid three-tier service will use Site Recovery. Replication is healthy but target DNS, identity, and network rules are missing. Which recovery-plan approach is appropriate?

Choose the single best answer.

  1. A.Prepare dependencies, recover database before dependent tiers, validate service, and use an isolated test failover to measure business RTO
  2. B.Assume disk replication recreates every external permission and secret automatically
  3. C.Fail over into the production network during every drill to create duplicate writers
  4. D.Start every tier simultaneously and declare recovery when the first VM powers on
Show the answer and explanation

✓ Correct answer

  • Prepare dependencies, recover database before dependent tiers, validate service, and use an isolated test failover to measure business RTO

Prepared dependencies and ordered startup/validation make the service usable; isolated drills test this without interfering with production. Boot alone is insufficient, duplicate production writers are unsafe, and disk copies do not reconstruct all external state. Source guide: PDF page 38-39.

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