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DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment

Your company runs a mission-critical Azure SQL Database in the East US region. To meet an RPO of 5 seconds and an RTO of 30 minutes in the event of a regional outage, which deployment option should you choose?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Failover groups with auto-failover policy

Failover groups with auto-failover policy provide automatic failover with an RPO of 5 seconds (default) and RTO of 30 minutes. Active geo-replication requires manual failover, which does not meet the RTO. Zone-redundant configuration only protects within a region. Backup restore has much higher RPO/RTO.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Failover groups with auto-failover policy

    Why this is correct

    Failover groups maintain a readable secondary and automatically fail over when primary becomes unavailable, meeting RPO of 5 seconds and RTO of 30 minutes.

  • Zone-redundant configuration

    Why it's wrong here

    Zone-redundant configuration only protects within a region, not against regional outage.

  • Point-in-time restore

    Why it's wrong here

    Restoring from backups takes hours and cannot meet the RPO/RTO requirements.

  • Active geo-replication with manual failover

    Why it's wrong here

    Manual failover requires human intervention, which cannot guarantee 30-minute RTO.

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Same concept, more angles

1 more way this is tested on DP-300

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. Your company has an Azure SQL Database in the East US region. You need to configure a disaster recovery solution that provides a readable secondary in the West US region with an RPO of 5 seconds. The solution must support automatic failover from the application. What should you configure?

easy
  • A.Enable zone-redundant replicas in the same region.
  • B.Enable geo-redundant backup storage and perform geo-restore.
  • C.Configure active geo-replication to a secondary server in West US.
  • D.Create an auto-failover group with a secondary server in West US using synchronous replication.

Why D: Auto-failover groups with a secondary server in another region using synchronous replication can achieve an RPO of 5 seconds and support automatic failover from the application. Option A is wrong because zone-redundant replicas are in the same region and do not provide cross-region DR. Option B is wrong because geo-redundant backup storage and geo-restore are not for automatic failover and have a higher RPO. Option C is wrong because although active geo-replication provides a readable secondary, it does not support automatic failover; a group is needed.

JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This DP-300 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-300 exam.