The answer is Azure SQL Database automatic failover groups. This is the correct choice because, unlike geo-replication which only replicates data at the database level, automatic failover groups provide orchestrated, region-level failover for a group of databases, automatically updating the application’s connection string endpoint to the secondary region when an entire Azure region goes down. On the AZ-900 exam, this question tests your understanding of high-availability and disaster recovery features within Azure SQL Database, often appearing as a scenario where you must distinguish between simple data replication and full application continuity. A common trap is choosing geo-replication, but remember: failover groups handle the entire logical server and its databases, not just the data. For your memory tip, think “Failover groups = Full app failover; Geo-replication = Just data copy.”
AZ-900 Describe Azure architecture and services Practice Question
This AZ-900 practice question tests your understanding of describe azure architecture and services. 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.
A company is designing a disaster recovery solution for a multi-tier application hosted in Azure. They need to ensure that if an entire Azure region becomes unavailable, the application can fail over to another region. The application uses Azure SQL Database. Which Azure feature should they use to replicate the database across regions?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
B) Azure SQL Database automatic failover groups
Azure SQL Database automatic failover groups (Option B) are the correct choice because they provide automated, orchestrated failover of a group of databases across regions, ensuring the entire multi-tier application can fail over when an Azure region becomes unavailable. Unlike geo-replication, which only replicates data, failover groups manage the entire logical server and its databases, including updating the connection string endpoint to the secondary region, which is essential for application continuity.
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.
✗
A) Azure SQL Database geo-replication
Why it's wrong here
Geo-replication provides asynchronous replication but requires manual failover, not automatic.
✓
B) Azure SQL Database automatic failover groups
Why this is correct
Failover groups enable automatic, transparent failover of your SQL Database to a secondary region during a disaster.
Related concept
Read the scenario before looking for a memorised answer.
✗
C) Azure Traffic Manager
Why it's wrong here
Traffic Manager routes user traffic based on DNS, it does not replicate database data.
✗
D) Azure Site Recovery
Why it's wrong here
Site Recovery is used for replicating and failing over VMs or physical servers, not Azure SQL Database.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse geo-replication (which only replicates data) with failover groups (which provide automated failover and connection management), leading them to choose Option A because they think replication alone is sufficient for disaster recovery.
Detailed technical explanation
How to think about this question
Automatic failover groups use a listener endpoint (e.g., `server.database.windows.net`) that automatically points to the primary or secondary region based on health monitoring and a configurable grace period (default 1 hour). Under the hood, failover groups leverage geo-replication for data synchronization but add a layer of orchestration that updates the DNS record for the listener, enabling transparent failover for applications without code changes. In a real-world scenario, if the primary region suffers a full outage, the failover group can trigger an automatic failover within minutes, but the RPO is limited to the asynchronous replication lag (typically up to 5 seconds), which is critical for designing disaster recovery SLAs.
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 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 AZ-900 question in full detail.
Describe Azure architecture and services — This question tests Describe Azure architecture and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: B) Azure SQL Database automatic failover groups — Azure SQL Database automatic failover groups (Option B) are the correct choice because they provide automated, orchestrated failover of a group of databases across regions, ensuring the entire multi-tier application can fail over when an Azure region becomes unavailable. Unlike geo-replication, which only replicates data, failover groups manage the entire logical server and its databases, including updating the connection string endpoint to the secondary region, which is essential for application continuity.
What should I do if I get this AZ-900 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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This AZ-900 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 AZ-900 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.