- A
Automatically encrypts data at rest and in transit.
Why wrong: Encryption is managed separately.
- B
Replaces IAM for all data access policies.
Why wrong: Lake Formation works with IAM, not replace it.
- C
Provides a unified view of data across all AWS regions.
Why wrong: Not a primary security benefit.
- D
Centralized fine-grained access control to data in S3, Redshift, and RDS.
Lake Formation provides column and row-level security.
Question 66 of 1,786
DEA-C01 Data Security and Governance Practice Question
This DEA-C01 practice question tests your understanding of data security and governance. 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.
A company wants to use AWS Lake Formation to manage permissions on a data lake. What is the primary benefit of using Lake Formation for data security?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"primary"Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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
✓
Centralized fine-grained access control to data in S3, Redshift, and RDS.
Option D is correct because AWS Lake Formation centralizes fine-grained access control for data lakes, allowing administrators to define column-level, row-level, and cell-level permissions on data stored in Amazon S3, and also extend those policies to Amazon Redshift and Amazon RDS via integrated resource links. This eliminates the need to manage separate IAM policies for each service, providing a single point of governance for data security across the data lake ecosystem.
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.
- ✗
Automatically encrypts data at rest and in transit.
Why it's wrong here
Encryption is managed separately.
- ✗
Replaces IAM for all data access policies.
Why it's wrong here
Lake Formation works with IAM, not replace it.
- ✗
Provides a unified view of data across all AWS regions.
Why it's wrong here
Not a primary security benefit.
- ✓
Centralized fine-grained access control to data in S3, Redshift, and RDS.
Why this is correct
Lake Formation provides column and row-level security.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume Lake Formation replaces IAM entirely or handles encryption, but the exam tests the understanding that Lake Formation is a complementary governance layer for fine-grained access control, not a replacement for IAM or encryption services.
Detailed technical explanation
How to think about this question
Under the hood, Lake Formation uses a combination of AWS Glue Data Catalog and a centralized permissions engine that intercepts data access requests via the Lake Formation API or integrated services like Athena and Redshift Spectrum. When a user queries data, Lake Formation evaluates the principal's IAM role, the resource link, and the Lake Formation permissions (e.g., SELECT on specific columns) before allowing the query to proceed. In a real-world scenario, a data lake with sensitive PII columns can restrict access to those columns for data analysts while granting full access to data scientists, all without modifying the underlying S3 bucket policies.
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 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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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 DEA-C01 question test?
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: Centralized fine-grained access control to data in S3, Redshift, and RDS. — Option D is correct because AWS Lake Formation centralizes fine-grained access control for data lakes, allowing administrators to define column-level, row-level, and cell-level permissions on data stored in Amazon S3, and also extend those policies to Amazon Redshift and Amazon RDS via integrated resource links. This eliminates the need to manage separate IAM policies for each service, providing a single point of governance for data security across the data lake ecosystem.
What should I do if I get this DEA-C01 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: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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