- A
Patching the underlying EC2 instances hosting the database
Why wrong: AWS patches the underlying EC2 instances for RDS — this is part of the managed service responsibility that AWS assumes.
- B
Managing the physical storage media and hardware
Why wrong: AWS manages all physical infrastructure including storage hardware — customers have no access or responsibility for physical components.
- C
Managing database user accounts and controlling data access
Customers are responsible for their data, creating database users, setting permissions, and controlling which applications and users can access the database.
- D
Applying database engine minor version patches
Why wrong: AWS applies database engine patches during maintenance windows in managed RDS — customers only need to approve maintenance windows.
Quick Answer
The answer is managing database user accounts and controlling data access. This is correct because the AWS Shared Responsibility Model for Amazon RDS draws a clear line: AWS handles the infrastructure, including the underlying EC2 instances, physical storage, and database engine minor version patches, while the customer retains control over what goes inside the database. Since you define user permissions, set passwords, and decide who can read or modify your data, those tasks fall squarely on your side of the responsibility boundary. On the AWS Certified Cloud Practitioner CLF-C02 exam, this concept tests your ability to distinguish between “security of the cloud” (AWS) and “security in the cloud” (you). A common trap is assuming AWS manages all database security, but remember: AWS secures the server room; you secure the keys to the data. Memory tip: think of it as “AWS locks the door, but you decide who gets the key.”
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. 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.
Under the AWS Shared Responsibility Model, which of the following is the customer's responsibility when using Amazon RDS?
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
Managing database user accounts and controlling data access
Under the AWS Shared Responsibility Model, AWS manages the infrastructure, including the underlying EC2 instances, physical storage, and database engine minor version patches for Amazon RDS. The customer is responsible for managing database user accounts, controlling data access, and securing the data itself, as these are within the customer's control and not managed by AWS.
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.
- ✗
Patching the underlying EC2 instances hosting the database
Why it's wrong here
AWS patches the underlying EC2 instances for RDS — this is part of the managed service responsibility that AWS assumes.
- ✗
Managing the physical storage media and hardware
Why it's wrong here
AWS manages all physical infrastructure including storage hardware — customers have no access or responsibility for physical components.
- ✓
Managing database user accounts and controlling data access
Why this is correct
Customers are responsible for their data, creating database users, setting permissions, and controlling which applications and users can access the database.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Applying database engine minor version patches
Why it's wrong here
AWS applies database engine patches during maintenance windows in managed RDS — customers only need to approve maintenance windows.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the customer's responsibility for managing database user accounts with AWS's responsibility for patching the database engine, leading them to incorrectly select option D as the customer's task.
Detailed technical explanation
How to think about this question
Amazon RDS abstracts the underlying EC2 instance management, so AWS automatically applies OS and database engine patches, but customers must manage user permissions via IAM and database-level controls like GRANT/REVOKE SQL commands. In a real-world scenario, if a customer fails to properly configure database user accounts, unauthorized access could occur, highlighting the importance of customer-side security even in a managed service.
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.
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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Cloud Concepts — study guide chapter
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FAQ
Questions learners often ask
What does this CLF-C02 question test?
Cloud Concepts — This question tests Cloud Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Managing database user accounts and controlling data access — Under the AWS Shared Responsibility Model, AWS manages the infrastructure, including the underlying EC2 instances, physical storage, and database engine minor version patches for Amazon RDS. The customer is responsible for managing database user accounts, controlling data access, and securing the data itself, as these are within the customer's control and not managed by AWS.
What should I do if I get this CLF-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This CLF-C02 practice question is part of Courseiva's free Amazon Web Services 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 CLF-C02 exam.
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