DP-203 Practice Question: Secure, monitor, and optimize data storage and data processing
This DP-203 practice question tests your understanding of secure, monitor, and optimize data storage and data processing. 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.
Your company has an Azure Data Factory pipeline that ingests data from multiple sources into Azure Data Lake Storage Gen2. The pipeline uses a self-hosted integration runtime (IR) running on an on-premises Windows server. Recently, the pipeline started failing with 'Connection timed out' errors during peak hours. You suspect network congestion. You need to resolve this issue with minimal cost and without modifying the pipeline activities. What should you do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Scale out the self-hosted IR by adding more nodes to the cluster.
Option C is correct because scaling out the self-hosted IR by adding more nodes distributes the load and reduces timeout issues. Option A is wrong because moving to Azure-SSIS IR is expensive and unnecessary. Option B is wrong because increasing polling interval does not fix timeouts. Option D is wrong because Azure ExpressRoute is a costly network upgrade.
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.
✗
Implement Azure ExpressRoute to provide dedicated bandwidth.
Why it's wrong here
Overkill and costly for this issue.
✗
Increase the 'Polling Interval' setting in the copy activity.
Why it's wrong here
Polling interval affects status check, not connectivity.
✓
Scale out the self-hosted IR by adding more nodes to the cluster.
Why this is correct
Distributes load and improves throughput.
Related concept
Read the scenario before looking for a memorised answer.
✗
Migrate the self-hosted IR to Azure-SSIS IR.
Why it's wrong here
Expensive and not a direct solution for load.
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
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-203 question in full detail.
Identify which DP-203 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.
Secure, monitor, and optimize data storage and data processing — This question tests Secure, monitor, and optimize data storage and data processing — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Scale out the self-hosted IR by adding more nodes to the cluster. — Option C is correct because scaling out the self-hosted IR by adding more nodes distributes the load and reduces timeout issues. Option A is wrong because moving to Azure-SSIS IR is expensive and unnecessary. Option B is wrong because increasing polling interval does not fix timeouts. Option D is wrong because Azure ExpressRoute is a costly network upgrade.
What should I do if I get this DP-203 question wrong?
Identify which DP-203 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.
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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