The answer is that the ARM template violates security best practices by allowing HTTP traffic and using an outdated TLS version. Specifically, setting supportsHttpsTrafficOnly to false permits unencrypted HTTP requests, while specifying minimumTlsVersion as TLS1_0 relies on a protocol with known vulnerabilities, both of which expose the storage account to interception and downgrade attacks. On the Microsoft Azure Data Engineer Associate DP-203 exam, this scenario tests your ability to identify misconfigurations in Azure Resource Manager templates for Data Lake Storage Gen2, a common focus area for secure data pipeline design. A frequent trap is assuming that enabling Hierarchical Namespace (HNS) or using Standard_LRS automatically ensures security, but these are unrelated to transport encryption. Remember the mnemonic “HTTPS and TLS 1.2+” — if either is missing or set to an older version, the template is insecure.
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. 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.
Refer to the exhibit. You are reviewing an ARM template for an Azure Data Lake Storage Gen2 account. Which of the following security best practices is violated in this template?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The account allows HTTP traffic and uses an outdated TLS version
Setting supportsHttpsTrafficOnly to false allows HTTP traffic, which is insecure. Also, minimumTlsVersion TLS1_0 is outdated and insecure. Option A is wrong because HNS is enabled correctly. Option B is wrong because Standard_LRS is a valid SKU. Option D is wrong because location is correct.
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.
✗
The location should be fixed instead of using resourceGroup().location
Why it's wrong here
Using parameterized location is a best practice.
✗
The SKU should be Standard_GRS for disaster recovery
Why it's wrong here
GRS is not a security best practice; it's for durability.
✗
The account does not enable hierarchical namespace (HNS)
Why it's wrong here
HNS is enabled via isHnsEnabled: true.
✓
The account allows HTTP traffic and uses an outdated TLS version
Why this is correct
supportsHttpsTrafficOnly: false and TLS1_0 are insecure.
Clue confirmation
The clue word "best" in the question point toward this answer.
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 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 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: The account allows HTTP traffic and uses an outdated TLS version — Setting supportsHttpsTrafficOnly to false allows HTTP traffic, which is insecure. Also, minimumTlsVersion TLS1_0 is outdated and insecure. Option A is wrong because HNS is enabled correctly. Option B is wrong because Standard_LRS is a valid SKU. Option D is wrong because location is correct.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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