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Secure, monitor, and optimize data storage and data processing →mediumMultiple ChoiceObjective-mapped

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. 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.

Exhibit

Refer to the exhibit.
{
  "dataSources": [
    {
      "name": "SalesData",
      "type": "AzureDataLakeStore",
      "properties": {
        "tenant": "contoso.onmicrosoft.com",
        "dataLakeStoreUri": "https://salesdls.azuredatalakestore.net/webhdfs/v1",
        "servicePrincipalId": "11111111-1111-1111-1111-111111111111",
        "servicePrincipalKey": {
          "type": "SecureString",
          "value": "********"
        },
        "subscriptionId": "22222222-2222-2222-2222-222222222222",
        "resourceGroupName": "SalesRG"
      }
    }
  ]
}

You are reviewing an Azure Data Factory JSON definition for a linked service. The linked service uses a service principal to connect to Azure Data Lake Storage Gen1. What is a security concern with this configuration?

Question 1mediummultiple choice
Full question →

Exhibit

Refer to the exhibit.
{
  "dataSources": [
    {
      "name": "SalesData",
      "type": "AzureDataLakeStore",
      "properties": {
        "tenant": "contoso.onmicrosoft.com",
        "dataLakeStoreUri": "https://salesdls.azuredatalakestore.net/webhdfs/v1",
        "servicePrincipalId": "11111111-1111-1111-1111-111111111111",
        "servicePrincipalKey": {
          "type": "SecureString",
          "value": "********"
        },
        "subscriptionId": "22222222-2222-2222-2222-222222222222",
        "resourceGroupName": "SalesRG"
      }
    }
  ]
}

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

✓

The service principal key is stored as a SecureString but is visible in the JSON definition.

Option B is correct because storing the service principal key as plain text in the JSON is insecure. Option A is wrong because using Data Lake Storage Gen1 is not a security concern. Option C is wrong because service principal authentication is acceptable. Option D is wrong because subscription and resource group are necessary for resource management.

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 subscription ID and resource group are specified.

    Why it's wrong here

    These are required for Data Lake Storage Gen1 linked service.

  • ✗

    The linked service uses a service principal instead of a managed identity.

    Why it's wrong here

    Service principal is a valid authentication method.

  • ✗

    Using Azure Data Lake Storage Gen1 instead of Gen2.

    Why it's wrong here

    Gen1 is still supported, not a security issue.

  • ✓

    The service principal key is stored as a SecureString but is visible in the JSON definition.

    Why this is correct

    Storing secrets in linked service JSON is insecure; should use Azure Key Vault.

    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.

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: The service principal key is stored as a SecureString but is visible in the JSON definition. — Option B is correct because storing the service principal key as plain text in the JSON is insecure. Option A is wrong because using Data Lake Storage Gen1 is not a security concern. Option C is wrong because service principal authentication is acceptable. Option D is wrong because subscription and resource group are necessary for resource management.

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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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.