Question 844 of 953
Plan and implement data platform resourcesmediumMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is to create a contained database user for each service principal and grant SELECT, INSERT, UPDATE, DELETE on specific tables. This approach directly implements granular permissions by mapping each Microsoft Entra ID service principal to a contained database user within the Azure SQL Database, allowing you to assign precise table-level rights without granting broader database roles. On the DP-300 exam, this scenario tests your understanding of the principle of least privilege in Azure SQL, often appearing as a trap where candidates might incorrectly choose to assign the service principal to a fixed database role like db_datareader. The key distinction is that contained database users operate independently of server-level logins, making them ideal for multi-tenant applications where each service principal must be isolated to its own set of tables. Memory tip: think "contained user, contained scope" — if you need to lock permissions to specific tables, always create a contained database user rather than using a server-level login or database role.

DP-300 Plan and implement data platform resources Practice Question

This DP-300 practice question tests your understanding of plan and implement data platform resources. 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.

You are configuring security for an Azure SQL Database that will be accessed by multiple applications. Each application uses a separate service principal managed in Microsoft Entra ID. You need to ensure that each service principal has the minimum required permissions to access only its own set of tables. What should you implement?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "minimum / minimize"

    Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

Question 1mediummultiple choice
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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

Create a contained database user for each service principal and grant SELECT, INSERT, UPDATE, DELETE on specific tables.

Option B is correct because it creates a contained database user for each service principal (mapped to the Microsoft Entra ID identity) and grants only the specific table-level permissions (SELECT, INSERT, UPDATE, DELETE) required for that application. This follows the principle of least privilege by avoiding broad database roles and ensuring each service principal can only access its own set of tables.

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.

  • Create a contained database user for each service principal and grant the db_owner role.

    Why it's wrong here

    Incorrect: db_owner provides full control, not minimum permissions.

  • Create a contained database user for each service principal and grant SELECT, INSERT, UPDATE, DELETE on specific tables.

    Why this is correct

    Correct: Contained database users allow granular permissions per table, meeting the minimum required access.

    Clue confirmation

    The clue word "minimum / minimize" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Create a server-level login for each service principal and assign db_datareader role in the database.

    Why it's wrong here

    Incorrect: Server-level logins provide access to all databases; db_datareader gives read access to all tables.

  • Configure a server-level firewall rule for each service principal IP address.

    Why it's wrong here

    Incorrect: Firewall rules control network access, not database permissions.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse server-level logins with contained database users for Microsoft Entra ID principals, or mistakenly think that broad roles like db_datareader satisfy the 'minimum required permissions' requirement when the question explicitly demands table-level scoping.

Detailed technical explanation

How to think about this question

Contained database users for Microsoft Entra ID service principals are created using the CREATE USER [principal_name] FROM EXTERNAL PROVIDER syntax, which maps the database principal to the Microsoft Entra ID object without requiring a server-level login. Table-level permissions are granted via GRANT statements (e.g., GRANT SELECT ON schema.table TO user), and these permissions are stored in the database's sys.database_permissions catalog view. In a real-world multi-tenant scenario, this approach allows each application's service principal to have isolated access to its own schema or table set, preventing cross-tenant data leakage.

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.

TExam Day Tips

  • 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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this DP-300 question test?

Plan and implement data platform resources — This question tests Plan and implement data platform resources — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create a contained database user for each service principal and grant SELECT, INSERT, UPDATE, DELETE on specific tables. — Option B is correct because it creates a contained database user for each service principal (mapped to the Microsoft Entra ID identity) and grants only the specific table-level permissions (SELECT, INSERT, UPDATE, DELETE) required for that application. This follows the principle of least privilege by avoiding broad database roles and ensuring each service principal can only access its own set of tables.

What should I do if I get this DP-300 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 24, 2026

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This DP-300 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-300 exam.