Quick Answer
Active geo-replication with a failover group is the correct configuration because it provides continuous, synchronous replication that can achieve a 5-second RPO and a 30-minute RTO during a regional failure. This works by maintaining a readable secondary database in a paired Azure region, with the failover group automating the entire failover process to meet the stringent RPO and RTO requirements without manual intervention. On the Microsoft Azure Database Administrator Associate DP-300 exam, this question tests your understanding of the specific SLA guarantees for Azure SQL Database disaster recovery options, often trapping candidates who confuse active geo-replication with auto-failover groups (which are the same feature here) or mistakenly choose Azure SQL Database standard geo-replication, which offers a higher RPO. Remember the key distinction: only active geo-replication with failover groups guarantees sub-minute RPO and automated failover. A useful memory tip is "5-30 Active Group" — think of the 5-second RPO and 30-minute RTO as the "active" group's promise.
This DP-300 practice question tests your understanding of plan and implement data platform resources. 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 are tasked with designing a disaster recovery plan for an Azure SQL Database. The database is mission-critical and must have a Recovery Point Objective (RPO) of 5 seconds and a Recovery Time Objective (RTO) of 30 minutes in case of a regional failure. Which configuration should you implement?
Long-term backup retention
Why wrong: For archival, not DR.
Automated backups with geo-restore
Why wrong: Geo-restore RPO is 1-5 minutes, RTO is 12 hours.
Zone-redundant configuration
Why wrong: Protects within region, not cross-region.
Active geo-replication with failover group
Provides low RPO and fast RTO.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Active geo-replication with failover group
Active geo-replication with failover groups is the correct choice because it provides a continuous, synchronous replication mechanism that can achieve an RPO of 5 seconds and an RTO of 30 minutes during a regional failure. The failover group automates the process of failing over to a readable secondary database in a paired region, meeting both the stringent RPO and RTO requirements without manual intervention.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Long-term backup retention
Why it's wrong here
For archival, not DR.
Automated backups with geo-restore
Why it's wrong here
Geo-restore RPO is 1-5 minutes, RTO is 12 hours.
Zone-redundant configuration
Why it's wrong here
Protects within region, not cross-region.
Active geo-replication with failover group
Why this is correct
Provides low RPO and fast RTO.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse zone-redundant configuration (which only protects against zone failures within a region) with active geo-replication (which protects against a full regional outage), leading them to select option C despite the requirement for regional disaster recovery.
Detailed technical explanation
Active geo-replication uses asynchronous replication by default, but for an RPO of 5 seconds, you must configure it with a secondary in a paired region and ensure the application uses the failover group's listener endpoint. Under the hood, the failover group leverages the database's transaction log to replicate changes continuously, and during a forced failover, any remaining log records are applied to the secondary, making the actual RPO near-zero in practice. A real-world scenario where this matters is a financial trading system where even a few seconds of data loss could result in significant monetary discrepancies.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
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FAQ
Plan and implement data platform resources — This question tests Plan and implement data platform resources — Read the scenario before looking for a memorised answer..
The correct answer is: Active geo-replication with failover group — Active geo-replication with failover groups is the correct choice because it provides a continuous, synchronous replication mechanism that can achieve an RPO of 5 seconds and an RTO of 30 minutes during a regional failure. The failover group automates the process of failing over to a readable secondary database in a paired region, meeting both the stringent RPO and RTO requirements without manual intervention.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Same concept, more angles
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. You are designing a disaster recovery plan for an Azure SQL Database that is used by a critical application. The database is currently in the West US region. You need to ensure that if a regional outage occurs, the database can be failed over to another region with minimal data loss. The solution must also minimize costs for the secondary replica. Which deployment option should you recommend?
mediumWhy A: Active geo-replication allows you to create a readable secondary database in a different region (East US) with a lower service tier, which reduces costs while still providing a disaster recovery target. In the event of a regional outage, you can manually initiate a failover to the secondary, and because replication is asynchronous, data loss is limited to the replication lag (typically a few seconds). This meets the requirement of minimal data loss and cost minimization.
Variation 2. You are designing a disaster recovery plan for an Azure SQL Database that uses the Business Critical tier. The database is deployed in the West US region. You need to ensure that if the entire West US region becomes unavailable, the database can be failed over to a secondary region with minimal data loss. What should you implement?
mediumWhy A: Active geo-replication for Azure SQL Database Business Critical tier provides a continuous, asynchronous replication stream to a secondary region, ensuring minimal data loss (typically a few seconds) during a regional outage. Unlike auto-failover groups, active geo-replication allows you to manually initiate a failover to the secondary region with a Recovery Point Objective (RPO) of up to 5 seconds, which meets the requirement for minimal data loss. The Business Critical tier also supports readable secondaries, but the key here is the replication mechanism that prioritizes low RPO over automatic failover.
Last reviewed: Jun 24, 2026
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