The answer is that the RLS filter removes all rows for the user's role, causing the blank report. This happens because in Import mode, row-level security (RLS) filters data at the dataset level before it reaches the report visuals; if the user’s role, such as 'SalesManager', applies a filter like Sales[Region] = 'West' but no rows in the imported data match that value, every visual will render empty. On the Microsoft Power BI Data Analyst PL-300 exam, this scenario tests your understanding that RLS in Import mode does not alter the underlying data during refresh—it applies the filter at query time, so a mismatch between the role filter and existing data leads to blank visuals. A common trap is assuming RLS breaks the report layout or that it only affects dashboards, but the core issue is always data availability. Memory tip: “RLS in Import mode is a query-time gate—if the gate finds no rows, the report shows no data.”
PL-300 Manage and secure Power BI Practice Question
This PL-300 practice question tests your understanding of manage and secure power bi. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
A Power BI admin receives a support ticket that a user cannot see any data in a report that uses row-level security (RLS). The report is based on a dataset with a single table 'Sales' and RLS roles defined. The user is assigned to the role 'SalesManager' which filters Sales[Region] = 'West'. The dataset uses Import mode. The user can see the report but all visuals show blank. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The RLS filter removes all rows for the user's role.
Option D is correct because RLS in Import mode filters at the dataset level; if the user's role filters out all data (e.g., no rows match 'West'), visuals will appear blank. Option A is wrong because RLS does not affect the report page layout. Option B is wrong because RLS is applied regardless of dashboard tiles. Option C is wrong because RLS is applied after data refresh, so the data load includes all rows but RLS filters query results.
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 RLS filter removes all rows for the user's role.
Why this is correct
If Sales[Region] = 'West' returns no rows, visuals will be blank.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The user does not have permission to view the report page.
Why it's wrong here
If the user can see the report page, permissions are fine.
✗
The user is viewing a dashboard tile instead of the report.
Why it's wrong here
RLS also applies to dashboard tiles.
✗
The dataset was refreshed using an RLS bypass account.
Why it's wrong here
RLS is applied at query time, not during refresh.
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.
Manage and secure Power BI — This question tests Manage and secure Power BI — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The RLS filter removes all rows for the user's role. — Option D is correct because RLS in Import mode filters at the dataset level; if the user's role filters out all data (e.g., no rows match 'West'), visuals will appear blank. Option A is wrong because RLS does not affect the report page layout. Option B is wrong because RLS is applied regardless of dashboard tiles. Option C is wrong because RLS is applied after data refresh, so the data load includes all rows but RLS filters query results.
What should I do if I get this PL-300 question wrong?
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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