Quick Answer
The answer is an RTO of 30 seconds and an RPO of 0. This is correct because the Azure SQL Database Business Critical tier uses synchronous replication to a secondary replica within the failover group, ensuring that every committed transaction is instantly mirrored with zero data loss, and manual failover completes in approximately 30 seconds. On the DP-300 exam, this scenario tests your understanding of how failover groups interact with service tier guarantees—a common trap is confusing the General Purpose tier’s asynchronous replication (which has a higher RPO) with Business Critical’s synchronous model. Remember that “Business Critical” means business can’t lose data, so RPO is always zero when a failover group is configured; the RTO of 30 seconds is the time to redirect connections, not to recover data. Memory tip: “BC = 0 and 30” — Business Critical gives zero data loss and a half-minute failover.
This DP-300 practice question tests your understanding of plan and configure a high availability and disaster recovery environment. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 have an Azure SQL Database in the Business Critical tier with a failover group to a secondary region. The primary region experiences a full outage. What is the expected recovery time objective (RTO) and recovery point objective (RPO) if you initiate a manual failover?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
RTO of 5 minutes, RPO of 1 second.
Why wrong: Business Critical with failover groups has RPO of 0.
RTO of 30 seconds, RPO of 5 seconds.
Why wrong: RPO is 0, not 5 seconds.
RTO of 1 hour, RPO of 5 minutes.
Why wrong: These values are typical for General Purpose with geo-replication, not Business Critical.
RTO of 30 seconds, RPO of 0.
Synchronous replication ensures zero data loss and fast failover.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
RTO of 30 seconds, RPO of 0.
Option A is correct because Business Critical tier with failover groups offers an RTO of ~30 seconds and RPO of 0 (zero data loss) when using synchronous replication. Option B is wrong because RTO is lower. Option C is wrong because RPO is zero. Option D is wrong because RPO is zero.
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.
RTO of 5 minutes, RPO of 1 second.
Why it's wrong here
Business Critical with failover groups has RPO of 0.
RTO of 30 seconds, RPO of 5 seconds.
Why it's wrong here
RPO is 0, not 5 seconds.
RTO of 1 hour, RPO of 5 minutes.
Why it's wrong here
These values are typical for General Purpose with geo-replication, not Business Critical.
RTO of 30 seconds, RPO of 0.
Why this is correct
Synchronous replication ensures zero data loss and fast failover.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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
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.
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.
What to study next
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 — study guide chapter
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FAQ
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..
The correct answer is: RTO of 30 seconds, RPO of 0. — Option A is correct because Business Critical tier with failover groups offers an RTO of ~30 seconds and RPO of 0 (zero data loss) when using synchronous replication. Option B is wrong because RTO is lower. Option C is wrong because RPO is zero. Option D is wrong because RPO is zero.
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.
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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 have an Azure SQL Database that uses the Business Critical service tier with zone redundancy enabled. The database is deployed in a single region. You want to ensure that if a zone fails, the database remains available with minimal downtime. How does zone redundancy achieve this?
easyWhy A: Option B is correct. Zone redundancy for Business Critical creates multiple replicas across different availability zones within the same region. If one zone fails, one of the other replicas becomes the primary automatically. Option A is wrong because zone redundancy does not involve a secondary region. Option C is wrong because the replicas are kept in sync synchronously, not asynchronously. Option D is wrong because the replicas are within the same region.
Variation 2. You have an Azure SQL Database in the Business Critical tier with zone redundancy enabled. The database experiences a brief outage due to a zone failure. How does the platform automatically recover?
easyWhy B: Option B is correct because the Business Critical tier with zone redundancy automatically fails over to a replica in another zone without data loss. Option A is wrong because the service heals itself without manual intervention. Option C is wrong because no data loss occurs (zero data loss is guaranteed). Option D is wrong because automatic failover happens within seconds.
Last reviewed: Jun 21, 2026
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