The answer is to configure failover groups with a manual failover policy and automatic data synchronization. This is correct because Azure SQL Managed Instance uses synchronous replication within a failover group to ensure zero data loss across regions, but only when the failover policy is set to manual; an automatic failover policy would switch to asynchronous replication, risking data loss. On the AZ-305 exam, this scenario tests your understanding of the trade-off between RPO and automatic failover—many candidates mistakenly choose automatic failover for convenience, but the question’s explicit requirement for zero data loss mandates manual control. A common trap is assuming “automatic failover” guarantees zero data loss, but in Azure SQL MI, only manual failover with synchronous sync achieves RPO=0. Memory tip: “Manual for zero, auto for speed.”
AZ-305 Design data storage solutions Practice Question
This AZ-305 practice question tests your understanding of design data storage solutions. 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. 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.
Your company runs a critical database on Azure SQL Managed Instance. You need to ensure zero data loss and automatic failover to a secondary region in the event of a regional outage. What should you configure?
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 manual failover policy and automatic data synchronization
Option D is correct because it describes a failover group configured with manual failover policy and automatic data synchronization, which ensures zero data loss by synchronously replicating data to the secondary region and allows you to control when failover occurs, meeting the requirement for automatic failover in a regional outage scenario. For Azure SQL Managed Instance, failover groups with manual failover policy are the only way to achieve zero data loss (RPO=0) across regions, as automatic failover policy would allow asynchronous replication and potential data loss.
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.
✗
Auto-failover groups for the Azure SQL Managed Instance
Why it's wrong here
Auto-failover groups are not supported for Azure SQL Managed Instance.
✗
A single Azure SQL Managed Instance with zone-redundant configuration
Why it's wrong here
Zone-redundancy protects within a region, not against a regional outage.
✗
Active geo-replication for the database
Why it's wrong here
Active geo-replication does not provide automatic failover; it requires manual failover.
✓
Failover groups with manual failover policy and automatic data synchronization
Why this is correct
Failover groups provide automatic failover when configured correctly.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse active geo-replication (available for Azure SQL Database) with failover groups for Azure SQL Managed Instance, or assume that auto-failover groups guarantee zero data loss when they actually use asynchronous replication by default.
Detailed technical explanation
How to think about this question
Failover groups for Azure SQL Managed Instance use a distributed availability group (DAG) with synchronous commit mode to replicate data to the secondary instance in a paired region, ensuring zero data loss when the secondary is synchronized. The manual failover policy allows you to initiate failover only after confirming the secondary is fully synchronized, avoiding data loss, while automatic data synchronization keeps the secondary up-to-date. In a real-world scenario, if a regional outage occurs, you would manually trigger failover after verifying the secondary is ready, ensuring no transactions are lost.
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.
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
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-305 question in full detail.
Design data storage solutions — This question tests Design data storage solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Failover groups with manual failover policy and automatic data synchronization — Option D is correct because it describes a failover group configured with manual failover policy and automatic data synchronization, which ensures zero data loss by synchronously replicating data to the secondary region and allows you to control when failover occurs, meeting the requirement for automatic failover in a regional outage scenario. For Azure SQL Managed Instance, failover groups with manual failover policy are the only way to achieve zero data loss (RPO=0) across regions, as automatic failover policy would allow asynchronous replication and potential data loss.
What should I do if I get this AZ-305 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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