Question 238 of 963

DP-300 Auto-Failover Group Practice Question

This DP-300 practice question tests your understanding of plan and configure high availability and disaster recovery. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. A key principle to apply: auto-Failover Group. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A company runs a critical Azure SQL Database in the West US region. To meet a Recovery Point Objective (RPO) of 5 seconds and a Recovery Time Objective (RTO) of 30 seconds during a regional outage, which deployment option should be used?

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

Use an Auto-Failover Group with a secondary in West US 2

For a regional outage, you need a secondary in a different Azure region. Auto-Failover Groups provide automatic failover with a configurable data loss threshold. The RPO of 5 seconds can be achieved by setting the grace period appropriately, and automatic failover can typically occur within seconds to meet the RTO of 30 seconds. The Business Critical tier with zone-redundant configuration only protects against availability zone failures within the same region, not a full regional outage. Other options either have longer RTO (point-in-time restore) or require manual failover (Active Geo-Replication with readable secondary without automatic failover).

Key principle: Auto-Failover Group

Answer analysis

Option-by-option breakdown

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

  • Use an Auto-Failover Group with a secondary in West US 2

    Why this is correct

    Correct. Auto-Failover Group to another region provides automatic failover and can meet strict RPO and RTO with proper configuration.

    Related concept

    Auto-Failover Group

  • Deploy the database in the Business Critical tier with zone-redundant configuration in West US

    Why it's wrong here

    Incorrect. Zone-redundant configuration within the same region does not protect against a full regional outage.

  • Enable geo-zone-redundant backup storage and perform point-in-time restore

    Why it's wrong here

    Incorrect. Geo-zone-redundant backup storage and point-in-time restore have much higher RTO (hours) and cannot meet 5-second RPO.

  • Configure Active Geo-Replication with a readable secondary in East US

    Why it's wrong here

    Incorrect. Active Geo-Replication requires manual failover, which typically takes several minutes, failing the RTO of 30 seconds.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap is that candidates may incorrectly assume that zone-redundant configuration within the same region can protect against a regional outage, but it only protects against zone failures. For a full regional outage, cross-region failover is necessary, and Auto-Failover Groups provide the required automatic failover capability.

Detailed technical explanation

How to think about this question

Under the hood, the Business Critical tier with zone redundancy leverages Always On Availability Groups with synchronous commit across three replicas in different availability zones, ensuring that a transaction is committed only when hardened on all replicas. This provides an effective RPO of 0, and the automatic failover is triggered by a lease-based mechanism that detects zone-level failures within seconds. In a real-world scenario, if a datacenter in one zone experiences a power outage, the zone-redundant configuration automatically promotes a replica in another zone without any data loss, while cross-region options would require manual or scripted failover and incur replication lag.

KKey Concepts to Remember

  • Auto-Failover Group
  • Recovery Point Objective (RPO)
  • Recovery Time Objective (RTO)
  • Zone Redundancy

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Auto-Failover Group

Real-world example

How this comes up in practice

A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

What to study next

Got this wrong? Here's your next step.

Review auto-Failover Group, then practise related DP-300 questions on the same topic to reinforce the concept.

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FAQ

Questions learners often ask

What does this DP-300 question test?

Plan and configure high availability and disaster recovery — This question tests Plan and configure high availability and disaster recovery — Auto-Failover Group.

What is the correct answer to this question?

The correct answer is: Use an Auto-Failover Group with a secondary in West US 2 — For a regional outage, you need a secondary in a different Azure region. Auto-Failover Groups provide automatic failover with a configurable data loss threshold. The RPO of 5 seconds can be achieved by setting the grace period appropriately, and automatic failover can typically occur within seconds to meet the RTO of 30 seconds. The Business Critical tier with zone-redundant configuration only protects against availability zone failures within the same region, not a full regional outage. Other options either have longer RTO (point-in-time restore) or require manual failover (Active Geo-Replication with readable secondary without automatic failover).

What should I do if I get this DP-300 question wrong?

Review auto-Failover Group, then practise related DP-300 questions on the same topic to reinforce the concept.

What is the key concept behind this question?

Auto-Failover Group

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Last reviewed: Jun 11, 2026

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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.