- A
Enable encryption at rest using Azure Storage Service Encryption.
Why wrong: Encryption at rest protects stored data, not data in transit.
- B
Use HTTPS endpoint for Azure Data Lake Storage Gen2.
HTTPS (HTTP over TLS) encrypts data in transit between clients and Azure Data Lake Storage Gen2.
- C
Configure the Azure Data Factory integration runtime to use TLS 1.2.
Why wrong: Configuring the integration runtime to use TLS 1.2 is a good practice but does not guarantee encryption for the storage endpoint; the storage account must enforce HTTPS.
- D
Deploy Azure Firewall to inspect traffic between Event Hubs and Data Lake.
Why wrong: Azure Firewall provides network security but does not encrypt traffic.
Question 240 of 851
Ensuring Encryption in Transit for ADLS Gen2 in ADF Pipelines
This DP-203 practice question tests your understanding of secure, monitor, and optimize data storage and 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.
You are designing a data pipeline in Azure Data Factory that processes streaming data from Azure Event Hubs and stores it in Azure Data Lake Storage Gen2. The data must be encrypted at rest and in transit. Which configuration ensures encryption in transit?
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
✓
Use HTTPS endpoint for Azure Data Lake Storage Gen2.
Option B is correct because HTTPS ensures encryption in transit for Azure Data Lake Storage Gen2. Option A is wrong because encryption at rest does not cover data in transit. Option C is wrong because while TLS 1.2 is important, the integration runtime configuration does not directly apply to the storage endpoint; the storage account itself must use HTTPS. Option D is wrong because Azure Firewall does not provide encryption; it filters traffic.
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.
- ✗
Enable encryption at rest using Azure Storage Service Encryption.
Why it's wrong here
Encryption at rest protects stored data, not data in transit.
- ✓
Use HTTPS endpoint for Azure Data Lake Storage Gen2.
- ✗
Configure the Azure Data Factory integration runtime to use TLS 1.2.
- ✗
Deploy Azure Firewall to inspect traffic between Event Hubs and Data Lake.
Why it's wrong here
Azure Firewall provides network security but does not encrypt traffic.
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.
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?
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: Use HTTPS endpoint for Azure Data Lake Storage Gen2. — Option B is correct because HTTPS ensures encryption in transit for Azure Data Lake Storage Gen2. Option A is wrong because encryption at rest does not cover data in transit. Option C is wrong because while TLS 1.2 is important, the integration runtime configuration does not directly apply to the storage endpoint; the storage account itself must use HTTPS. Option D is wrong because Azure Firewall does not provide encryption; it filters traffic.
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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Last reviewed: Jun 21, 2026
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