The answer is cluster configuration and autoscaling, Delta Lake for ACID transactions, and auto-scaling resource adjustment. These three considerations are critical when designing ETL with Azure Databricks because cluster configuration directly impacts both performance and cost efficiency, while Delta Lake ensures data reliability through ACID transactions and optimization features like Z-ordering and vacuuming. Auto-scaling dynamically adjusts compute resources based on workload demands, preventing over-provisioning or under-provisioning during variable ETL loads. On the Microsoft Azure Data Engineer Associate DP-203 exam, this question tests your ability to distinguish between architectural design choices and operational settings—common traps include selecting fixed pricing or minimum bandwidth, which are not relevant to workload design. Remember that Azure Databricks ETL success hinges on balancing cost, reliability, and elasticity. A useful memory tip is “C.A.R.”: Cluster configuration, ACID transactions, and Resource autoscaling—the three pillars of a robust Databricks ETL solution.
DP-203 Develop data processing Practice Question
This DP-203 practice question tests your understanding of develop data processing. 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.
Which THREE considerations are important when designing a data processing solution using Azure Databricks for ETL workloads? (Select three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Auto-scaling of compute resources
Option A is correct because cluster configuration affects performance and cost. Option C is correct because Delta Lake provides ACID transactions and optimization. Option E is correct because auto-scaling adjusts resources based on workload. Option B is wrong because fixed pricing is not a design consideration. Option D is wrong because minimum bandwidth is not a typical consideration.
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.
Read the scenario before looking for a memorised answer.
✓
Use of Delta Lake for data reliability
Why this is correct
Delta Lake provides ACID transactions, schema enforcement, and performance optimizations.
Related concept
Read the scenario before looking for a memorised answer.
✗
Fixed pricing model
Why it's wrong here
Azure Databricks uses per-second billing, not fixed pricing.
✗
Minimum network bandwidth
Why it's wrong here
Network bandwidth is not typically a primary design consideration for Databricks ETL.
✓
Cluster configuration and autoscaling
Why this is correct
Proper cluster sizing and autoscaling are crucial for performance and cost.
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.
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.
Develop data processing — This question tests Develop data processing — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Auto-scaling of compute resources — Option A is correct because cluster configuration affects performance and cost. Option C is correct because Delta Lake provides ACID transactions and optimization. Option E is correct because auto-scaling adjusts resources based on workload. Option B is wrong because fixed pricing is not a design consideration. Option D is wrong because minimum bandwidth is not a typical consideration.
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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