DP-300 Practice Question: Monitor, configure, and optimize database resources
This DP-300 practice question tests your understanding of monitor, configure, and optimize database resources. 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 uses Azure SQL Database with Active Geo-Replication for disaster recovery. During a routine failover drill, you observe that after failover to the secondary region, the application experiences significantly higher latency for write operations. The secondary database is in a different Azure region and has the same service objective. What is the most likely cause of the increased write latency?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The secondary database does not have a local read-scale replica configured.
Option B is correct because geo-replicated secondaries are readable and do not accept write traffic until failover; after failover, the new primary has no geo-secondary configured initially, so writes are not replicated asynchronously, but latency is likely due to the lack of a local secondary. Option A is wrong because service objective is same. Option C is wrong because geo-replication delay affects read scalability, not write latency. Option D is wrong because the secondary is readable but not writable before failover.
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.
✗
Geo-replication introduces additional latency for all write operations.
Why it's wrong here
Geo-replication is asynchronous and does not affect write latency on the primary.
✗
The secondary database has a lower service objective than the primary.
Why it's wrong here
The scenario states the same service objective.
✗
The secondary database is not configured to accept write traffic.
Why it's wrong here
After failover, the secondary becomes the primary and accepts writes; the latency is not due to this.
✓
The secondary database does not have a local read-scale replica configured.
Why this is correct
After failover, the new primary may not have a readable secondary, so all read-write workloads hit the primary, increasing load and latency.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
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.
Trap categories for this question
Scenario analysis trap
The scenario states the same service objective.
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
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 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.
Monitor, configure, and optimize database resources — This question tests Monitor, configure, and optimize database resources — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The secondary database does not have a local read-scale replica configured. — Option B is correct because geo-replicated secondaries are readable and do not accept write traffic until failover; after failover, the new primary has no geo-secondary configured initially, so writes are not replicated asynchronously, but latency is likely due to the lack of a local secondary. Option A is wrong because service objective is same. Option C is wrong because geo-replication delay affects read scalability, not write latency. Option D is wrong because the secondary is readable but not writable before failover.
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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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