Question 470 of 966

Model the data →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is rows where Department is 'Sales' or 'Marketing'. This is correct because when a user is assigned to multiple Row-Level Security (RLS) roles in Power BI, the filters from each role are combined using OR logic, not AND. In this scenario, the 'Manager' role restricts to 'Sales', while the 'Executive' role restricts to 'Sales' or 'Marketing'; the union of these two filters yields all rows where Department is either 'Sales' or 'Marketing'. On the PL-300 exam, this concept often appears in a multiple-choice question testing your understanding of how multiple RLS roles interact, with a common trap being to mistakenly apply AND logic or to assume only one role’s filter applies. The search intent behind "multiple roles row-level security union" directly points to this OR combination behavior. A helpful memory tip: think of multiple RLS roles as adding permissions together—each role expands what you can see, so the result is the union of all role filters.

PL-300 Model the data Practice Question

This PL-300 practice question tests your understanding of model the data. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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

{
  "name": "RLS Policy",
  "roles": [
    {
      "roleName": "Manager",
      "filterExpression": "[Department] = \"Sales\""
    },
    {
      "roleName": "Executive",
      "filterExpression": "[Department] = \"Sales\" OR [Department] = \"Marketing\""
    }
  ]
}

Refer to the exhibit. A user is a member of both 'Manager' and 'Executive' roles. Which rows will the user see?

Question 1mediummultiple choice

Full question →

Exhibit

{
  "name": "RLS Policy",
  "roles": [
    {
      "roleName": "Manager",
      "filterExpression": "[Department] = \"Sales\""
    },
    {
      "roleName": "Executive",
      "filterExpression": "[Department] = \"Sales\" OR [Department] = \"Marketing\""
    }
  ]
}

A
Only rows where Department is 'Sales'.
Why wrong: The Executive role adds 'Marketing'.
B
Rows where Department is 'Sales' or 'Marketing'.
Combined roles result in union of filters.
C
All rows, because role membership overrides filters.
Why wrong: Multiple roles combine with OR, not override.
D
Rows where Department is 'Sales' only, but with both role permissions.
Why wrong: The union includes Marketing.

Full breakdown with real-world context →

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

✓

Rows where Department is 'Sales' or 'Marketing'.

Option B is correct because when a user belongs to multiple roles, the filters are combined with OR. So the user sees rows where Department is 'Sales' (from Manager) OR Department is 'Sales' or 'Marketing' (from Executive). The union is Sales and Marketing rows. Option A is wrong because it ignores the Executive role. Option C is wrong because it shows only Sales. Option D is wrong because it shows all departments.

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.

✗
Only rows where Department is 'Sales'.
Why it's wrong here
The Executive role adds 'Marketing'.
✓
Rows where Department is 'Sales' or 'Marketing'.
Why this is correct
Combined roles result in union of filters.
Related concept
Read the scenario before looking for a memorised answer.
✗
All rows, because role membership overrides filters.
Why it's wrong here
Multiple roles combine with OR, not override.
✗
Rows where Department is 'Sales' only, but with both role permissions.
Why it's wrong here
The union includes Marketing.

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 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 PL-300 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 PL-300 question test?

Model the data — This question tests Model the data — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Rows where Department is 'Sales' or 'Marketing'. — Option B is correct because when a user belongs to multiple roles, the filters are combined with OR. So the user sees rows where Department is 'Sales' (from Manager) OR Department is 'Sales' or 'Marketing' (from Executive). The union is Sales and Marketing rows. Option A is wrong because it ignores the Executive role. Option C is wrong because it shows only Sales. Option D is wrong because it shows all departments.

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

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

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Last reviewed: Jun 21, 2026

Question Discussion

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This PL-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 PL-300 exam.