The correct action is to increase the timeout value in the copy activity settings. This resolves the failure because Azure Data Factory imposes a default timeout on copy activities, and when transferring large files, the operation may exceed that limit before completion, causing the pipeline to abort. On the Microsoft Azure Developer Associate AZ-204 exam, this scenario tests your understanding of copy activity configuration and error handling, often appearing as a trap where candidates mistakenly adjust throughput or add staging instead of addressing the timeout directly. A common pitfall is confusing a timeout error with a performance bottleneck, but the key distinction is that timeout errors are resolved by extending the allowed duration, not by optimizing data transfer speed. Remember the mnemonic “T for Timeout, T for Time” to recall that when a copy activity fails on large files, you simply give it more time.
AZ-204 Practice Question: Connect to and consume Azure services and third-party services
This AZ-204 practice question tests your understanding of connect to and consume azure services and third-party services. 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.
Refer to the exhibit. A developer is creating an Azure Data Factory pipeline to copy data from Azure Blob Storage to Azure SQL Database. The pipeline fails with a timeout error when copying large files. Which action should the developer take to resolve the issue?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Increase the timeout value in the copy activity settings
Option D is correct because increasing the copy activity's timeout setting will allow more time for large files. Option A is incorrect because the source is already BlobSource. Option B is incorrect because the issue is timeout, not throughput. Option C is incorrect because staging is not needed for this scenario.
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.
✗
Change the source type to DelimitedTextSource
Why it's wrong here
Changing source type doesn't address timeout.
✗
Enable Data Integration Units (DIU) to increase throughput
Why it's wrong here
DIU helps with parallelism, not timeout.
✓
Increase the timeout value in the copy activity settings
Why this is correct
Increasing timeout will allow larger files to complete.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a staging copy with Azure Data Lake Storage Gen2
Why it's wrong here
Staging is not needed for timeout issues.
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 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-204 question in full detail.
Identify which AZ-204 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.
Connect to and consume Azure services and third-party services — This question tests Connect to and consume Azure services and third-party services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Increase the timeout value in the copy activity settings — Option D is correct because increasing the copy activity's timeout setting will allow more time for large files. Option A is incorrect because the source is already BlobSource. Option B is incorrect because the issue is timeout, not throughput. Option C is incorrect because staging is not needed for this scenario.
What should I do if I get this AZ-204 question wrong?
Identify which AZ-204 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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