Active geo-replication is the correct choice because it provides high availability for Azure SQL Database by creating readable secondary replicas in a different Azure region, even on another continent, and supports manual failover during a regional outage while allowing the secondary to handle read-intensive reporting without impacting the primary’s performance. This feature directly addresses the need for cross-continent disaster recovery and read-scale workloads, as the secondary database is continuously updated asynchronously and can be used for read-only queries. On the DP-900 exam, this scenario tests your understanding of the difference between active geo-replication and failover groups—a common trap is confusing the two, but remember that active geo-replication gives you readable secondaries and manual failover, whereas failover groups add automatic failover and a listener endpoint. For a memory tip, think “active geo-replication = read + manual failover across continents,” and picture a globe with a primary database on one side and a readable copy on the other, ready for reporting without slowing down the main system.
DP-900 Practice Question: Identify considerations for relational data on Azure
This DP-900 practice question tests your understanding of identify considerations for relational data on azure. 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 global e-commerce company uses Azure SQL Database for its order management system. They need to ensure high availability with the ability to fail over to an Azure region in a different continent in case of a regional outage. They also want to use the secondary database for read-intensive reporting without affecting the primary's performance. Which Azure SQL Database feature should they enable?
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.
Active geo-replication creates a readable secondary database in a different Azure region. It allows failover and offloads read-heavy workloads to the secondary. The secondary is readable and can be used for reporting.
B
Long-term backup retention
Why wrong: Long-term backup retention is for archiving backups beyond the standard retention period, not for real-time failover or read scaling.
C
Automatic tuning
Why wrong: Automatic tuning optimizes query performance, not availability or disaster recovery.
D
Connection pooling
Why wrong: Connection pooling improves application scalability by reusing connections but does not provide geo-redundancy or read scaling.
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
Active geo-replication is the correct choice because it creates readable secondary replicas of an Azure SQL Database in a different Azure region (including a different continent). It supports manual failover to the secondary region during an outage, and the secondary can be used for read-only query workloads like reporting without impacting the primary database's performance.
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.
✓
Active geo-replication
Why this is correct
Active geo-replication creates a readable secondary database in a different Azure region. It allows failover and offloads read-heavy workloads to the secondary. The secondary is readable and can be used for reporting.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Long-term backup retention
Why it's wrong here
Long-term backup retention is for archiving backups beyond the standard retention period, not for real-time failover or read scaling.
✗
Automatic tuning
Why it's wrong here
Automatic tuning optimizes query performance, not availability or disaster recovery.
✗
Connection pooling
Why it's wrong here
Connection pooling improves application scalability by reusing connections but does not provide geo-redundancy or read scaling.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse 'geo-replication' with 'failover groups' or assume that any backup feature (like long-term retention) can serve as a high-availability solution, but only active geo-replication provides a readable secondary in a different continent for both failover and read-scale.
Detailed technical explanation
How to think about this question
Active geo-replication uses asynchronous replication based on the Always On availability groups technology, with a Recovery Point Objective (RPO) of up to 5 seconds. The secondary database is fully readable and can be used for reporting, backups, or as a warm standby. In a real-world scenario, an e-commerce company could route all read-heavy reporting queries to the secondary region's endpoint, while writes continue on the primary, ensuring the primary's performance is unaffected.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-900 question in full detail.
Identify considerations for relational data on Azure — This question tests Identify considerations for relational data on Azure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Active geo-replication — Active geo-replication is the correct choice because it creates readable secondary replicas of an Azure SQL Database in a different Azure region (including a different continent). It supports manual failover to the secondary region during an outage, and the secondary can be used for read-only query workloads like reporting without impacting the primary database's performance.
What should I do if I get this DP-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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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. Your company runs a global e-commerce platform on Azure SQL Database. The platform experiences heavy read traffic on product catalog and inventory tables. You need to reduce read latency for users in different geographic regions while keeping write latency low. The solution must be cost-effective and require minimal application changes. Current architecture: a single Azure SQL Database in West US. You have budget for additional Azure resources. What should you implement?
hard
✓ A.Configure Active Geo-Replication to create readable secondaries in regions where users are located.
B.Migrate the database to Azure Cosmos DB with multi-region writes.
C.Use Azure Traffic Manager to route read requests to the primary database in West US.
D.Enable Read Scale-Out on the existing database and configure application to use the read-only endpoint.
Why A: Option B is correct because Active Geo-Replication creates readable secondaries in multiple regions, allowing local reads and single-region writes. Option A (Read Scale-Out) works only in the same region. Option C (Cosmos DB) would require application rewrite. Option D (Traffic Manager) does not replicate data.
Variation 2. A multinational e-commerce company uses Azure SQL Database for its order processing system. They need to ensure that if an entire Azure region becomes unavailable, the database remains available with minimal data loss and automatic failover. Which feature should they implement?
medium
✓ A.Active geo-replication
B.Automatic tuning
C.Elastic pools
D.Serverless compute
Why A: Active geo-replication (Option A) is correct because it creates readable secondary replicas of an Azure SQL Database in a paired Azure region, enabling automatic failover during a regional outage. This feature provides a recovery point objective (RPO) of as low as 5 seconds and a recovery time objective (RTO) of under 1 hour, ensuring minimal data loss and high availability.
Variation 3. A company uses Azure SQL Database for a customer relationship management (CRM) system. The database is deployed in the East US region. The company has customers worldwide who access the CRM via a web application. Currently, all read and write traffic goes to the primary database in East US, causing high latency for users in Europe and Asia. The company needs to improve read performance for global users while maintaining strong consistency for writes. They also want to minimize cost. Which solution should you recommend?
medium
A.Implement Azure Redis Cache to cache frequently accessed data
✓ B.Configure active geo-replication with readable secondary replicas in West Europe and Southeast Asia
C.Use Azure SQL Database with geo-redundant storage and enable read-scale
D.Create read replicas in the same region and use Azure Traffic Manager to route read traffic
Why B: Option B is correct because active geo-replication provides readable secondaries in other regions for read traffic, while writes go to the primary, maintaining consistency. Option A is wrong because read replicas in the same region do not help global users. Option C is wrong because Azure Traffic Manager does not improve database read latency. Option D is wrong because Azure Redis Cache adds cost and complexity and does not solve the read latency for all queries.
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