The answer is to enable active geo-replication to a secondary server in a paired region. This is correct because active geo-replication provides near-real-time asynchronous replication to a secondary region, and when paired with the Business Critical service tier, it ensures minimal data loss during a regional failover by maintaining a readable secondary that can be promoted manually or automatically. On the Microsoft Azure Database Administrator Associate DP-300 exam, this scenario tests your understanding of the distinction between zone redundancy (which protects against zonal failures within a region) and geo-redundancy (which protects against full region failures). A common trap is confusing auto-failover groups with the underlying replication mechanism—remember that failover groups are a management layer on top of geo-replication, not the replication feature itself. Memory tip: think “Geo for Geo-disaster, Zone for Zone-disaster”—active geo-replication is your go-to for cross-region Business Critical resilience.
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
This DP-300 practice question tests your understanding of plan and configure a high availability and disaster recovery environment. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.
You manage a mission-critical Azure SQL Database in the East US region. The database uses the Business Critical service tier with zone-redundant high availability enabled. You need to ensure that if an entire Azure region fails, the database can be failed over to a secondary region with minimal data loss. What should you implement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable active geo-replication to a secondary server in a paired region.
Option C is correct because active geo-replication provides near-real-time asynchronous replication to a secondary region, and with Business Critical, you can configure a readable secondary that can be failed over manually or automatically with minimal data loss. Option A is wrong because failover groups are built on top of geo-replication but do not guarantee minimal data loss by themselves; they rely on the replication mode. Option B is wrong because auto-failover groups include geo-replication but the question asks for the specific feature to implement. Option D is wrong because zone redundancy protects against zonal failures within a region, not regional failures.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Enable auto-failover groups with read-write failover policy.
Why it's wrong here
Auto-failover groups require geo-replication; the specific feature is geo-replication itself.
✗
Configure a failover group with the secondary in a different Azure region.
Why it's wrong here
Failover groups use geo-replication but the question asks for the feature to implement for minimal data loss.
✓
Enable active geo-replication to a secondary server in a paired region.
Why this is correct
Active geo-replication provides asynchronous replication to a secondary region, enabling manual or automatic failover with minimal data loss.
Related concept
Read the scenario before looking for a memorised answer.
✗
Deploy zone-redundant configuration in East US 2.
Why it's wrong here
Zone redundancy protects against zonal failures, not regional outages.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-300 question in full detail.
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Plan and configure a high availability and disaster recovery environment — This question tests Plan and configure a high availability and disaster recovery environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable active geo-replication to a secondary server in a paired region. — Option C is correct because active geo-replication provides near-real-time asynchronous replication to a secondary region, and with Business Critical, you can configure a readable secondary that can be failed over manually or automatically with minimal data loss. Option A is wrong because failover groups are built on top of geo-replication but do not guarantee minimal data loss by themselves; they rely on the replication mode. Option B is wrong because auto-failover groups include geo-replication but the question asks for the specific feature to implement. Option D is wrong because zone redundancy protects against zonal failures within a region, not regional failures.
What should I do if I get this DP-300 question wrong?
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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