The answer is that the RLS permissions dataset is not correctly configured to map users to department values. QuickSight row-level security relies on a separate permissions dataset that explicitly links each user or group to the specific values in the restricted column—here, the 'Department' column. If this mapping is missing, misaligned, or uses incorrect user identifiers, QuickSight defaults to showing all rows because it cannot determine which rows to filter. On the AWS Certified Data Engineer Associate DEA-C01 exam, this scenario tests your understanding that RLS operates at the dataset level, not the dashboard level, and that SPICE fully supports RLS despite common misconceptions. A frequent trap is assuming a column named 'Department' automatically enforces filtering, but RLS requires an explicit permissions table. Remember the mnemonic: "Map to restrict"—without a proper user-to-value map in the permissions dataset, no restriction applies.
DEA-C01 Data Security and Governance Practice Question
This DEA-C01 practice question tests your understanding of data security and governance. 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.
A company uses Amazon QuickSight for data visualization. The data engineer needs to ensure that users can only see data relevant to their department. The data is stored in Amazon S3 and is accessed via SPICE. The engineer has created datasets in QuickSight and wants to implement row-level security (RLS). The dataset contains a column 'Department' that indicates which department a row belongs to. The engineer has configured RLS rules using a separate permissions dataset. However, users report that they can see all rows, not just their department's rows. What is the most likely reason?
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 permissions dataset is not correctly configured to map users to department values.
Option B is correct because QuickSight RLS requires a permissions dataset that maps users to the values in the restricted column. If the RLS rules are not properly set, all rows are visible. Option A is wrong because the column exists. Option C is wrong because SPICE supports RLS. Option D is wrong because RLS is dataset-level, not dashboard-level.
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 permissions dataset is not correctly configured to map users to department values.
Why this is correct
RLS requires a mapping between users and allowed values.
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 'Department' column is not included in the dataset.
Why it's wrong here
The column is present.
✗
The users have been granted admin access to the QuickSight dashboard.
Why it's wrong here
Admin access bypasses RLS, but the users are not admins.
✗
The SPICE dataset does not support row-level security.
Why it's wrong here
SPICE supports RLS.
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 DEA-C01 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.
Data Security and Governance — This question tests Data Security and Governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The RLS permissions dataset is not correctly configured to map users to department values. — Option B is correct because QuickSight RLS requires a permissions dataset that maps users to the values in the restricted column. If the RLS rules are not properly set, all rows are visible. Option A is wrong because the column exists. Option C is wrong because SPICE supports RLS. Option D is wrong because RLS is dataset-level, not dashboard-level.
What should I do if I get this DEA-C01 question wrong?
Identify which DEA-C01 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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Question Discussion
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