- A
Define source CSV dataset, then define sink Parquet dataset, then create copy activity with mapping, then run and monitor.
This is the correct order because you must first define the source and sink datasets before creating a copy activity that uses them. The copy activity requires both datasets to be defined. After setting the mapping, you run and monitor the pipeline.
- B
Define sink Parquet dataset, then define source CSV dataset, then create copy activity with mapping, then run and monitor.
Why wrong: This is incorrect because although the sink dataset is defined before the source, the order of defining datasets does not affect the pipeline as long as both are defined before the copy activity. However, the typical sequence is source first, then sink, but it's not a critical error. The bigger issue: the order is plausible but not the most logical, and some might argue it's still valid, but in a drag-and-drop question, the expected correct order is source then sink.
- C
Define source CSV dataset, then create copy activity with mapping, then define sink Parquet dataset, then run and monitor.
Why wrong: This is incorrect because you cannot create a copy activity with mapping before defining the sink dataset. The sink dataset must be defined before or at the time of creating the copy activity, as the activity references it.
- D
Create copy activity with mapping, then define source CSV dataset, then define sink Parquet dataset, then run and monitor.
Why wrong: This is incorrect because the copy activity requires both source and sink datasets to be defined before it can be created. Creating the activity first without datasets would result in an error.
DP-203 Practice Question: Monitor and optimize data storage and processing
This DP-203 practice question tests your understanding of monitor and optimize data storage and processing. 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.
Drag and drop the steps to convert data from CSV to Parquet format using Azure Data Factory into the correct order.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Define source CSV dataset, then define sink Parquet dataset, then create copy activity with mapping, then run and monitor.
Define source (CSV) and sink (Parquet) datasets, then a copy activity with mapping, run, and monitor.
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.
- ✓
Define source CSV dataset, then define sink Parquet dataset, then create copy activity with mapping, then run and monitor.
Why this is correct
This is the correct order because you must first define the source and sink datasets before creating a copy activity that uses them. The copy activity requires both datasets to be defined. After setting the mapping, you run and monitor the pipeline.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Define sink Parquet dataset, then define source CSV dataset, then create copy activity with mapping, then run and monitor.
Why it's wrong here
This is incorrect because although the sink dataset is defined before the source, the order of defining datasets does not affect the pipeline as long as both are defined before the copy activity. However, the typical sequence is source first, then sink, but it's not a critical error. The bigger issue: the order is plausible but not the most logical, and some might argue it's still valid, but in a drag-and-drop question, the expected correct order is source then sink.
- ✗
Define source CSV dataset, then create copy activity with mapping, then define sink Parquet dataset, then run and monitor.
Why it's wrong here
This is incorrect because you cannot create a copy activity with mapping before defining the sink dataset. The sink dataset must be defined before or at the time of creating the copy activity, as the activity references it.
- ✗
Create copy activity with mapping, then define source CSV dataset, then define sink Parquet dataset, then run and monitor.
Why it's wrong here
This is incorrect because the copy activity requires both source and sink datasets to be defined before it can be created. Creating the activity first without datasets would result in an error.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
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.
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FAQ
Questions learners often ask
What does this DP-203 question test?
Monitor and optimize data storage and processing — This question tests Monitor and optimize data storage and processing — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Define source CSV dataset, then define sink Parquet dataset, then create copy activity with mapping, then run and monitor. — Define source (CSV) and sink (Parquet) datasets, then a copy activity with mapping, run, and monitor.
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.
About these practice questions
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Last reviewed: Jun 11, 2026
This DP-203 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-203 exam.
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