The correct answer is to use ApplicationIntent=ReadOnly in connection strings and ensure the secondary is up-to-date. This works because the ApplicationIntent property directs read-only queries to the geo-replication secondary, while the secondary’s consistent reads are guaranteed only when it is fully synchronized—meaning replication lag must be resolved before the query executes. On the Microsoft Azure Database Administrator Associate DP-300 exam, this scenario tests your understanding of how active geo-replication handles read-only workloads under latency, with a common trap being to confuse auto-failover groups (which manage failover, not consistency) or read scale-out (which is exclusive to Hyperscale). Remember, the secondary is only consistent when it has caught up, so your connection string must enforce read intent and you must verify the secondary’s lag. Memory tip: “ReadOnly + up-to-date = consistent reads on the secondary.”
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
This DP-300 practice question tests your understanding of plan and configure a high availability and disaster recovery environment. 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 have an Azure SQL Database configured with active geo-replication to a secondary region. The secondary database is used for read-only workloads. A network latency issue causes replication lag to exceed 10 seconds. You need to ensure reporting queries always see consistent data. What should you configure?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "always"
Why it matters: Absolute qualifier. An answer using 'always' is only correct if there are genuinely no exceptions — absolute statements are often wrong in networking.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use ApplicationIntent=ReadOnly in connection strings and ensure the secondary is up-to-date.
Option C is correct because setting session context to use the primary for read-write and secondary for read-only with read-intent ensures consistent reads. Option A is wrong because auto-failover groups don't enforce consistency. Option B is wrong because read scale-out is for Hyperscale. Option D is wrong because it doesn't address consistency.
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.
✓
Use ApplicationIntent=ReadOnly in connection strings and ensure the secondary is up-to-date.
Why this is correct
Routes read-only queries to secondary, but consistency depends on replication.
Clue confirmation
The clue word "always" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable read scale-out on the secondary.
Why it's wrong here
Not applicable; read scale-out is for primary.
✗
Configure an auto-failover group with read-write endpoint.
Why it's wrong here
Does not solve consistency for read queries.
✗
Create a failover group with read-only endpoint enabled.
Why it's wrong here
Does not guarantee consistency.
Common exam traps
Common exam trap: answer the scenario, not the keyword
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
How to think about this question
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.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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-300 question in full detail.
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 — This question tests Plan and configure a high availability and disaster recovery environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use ApplicationIntent=ReadOnly in connection strings and ensure the secondary is up-to-date. — Option C is correct because setting session context to use the primary for read-write and secondary for read-only with read-intent ensures consistent reads. Option A is wrong because auto-failover groups don't enforce consistency. Option B is wrong because read scale-out is for Hyperscale. Option D is wrong because it doesn't address consistency.
What should I do if I get this DP-300 question wrong?
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.
Are there clue words in this question I should notice?
Yes — watch for: "always". Absolute qualifier. An answer using 'always' is only correct if there are genuinely no exceptions — absolute statements are often wrong in networking.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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