- A
Encrypting customer data stored in Amazon S3
Why wrong: While AWS provides encryption tools, the customer is responsible for choosing to enable encryption and managing customer-managed keys.
- B
Configuring security groups for EC2 instances
Why wrong: Security group configuration is the customer's responsibility — it's part of securing the network within the cloud.
- C
Physical security of data center facilities
AWS is fully responsible for the physical security of its data centers — customers have no access or control over this layer.
- D
Managing IAM user access policies
Why wrong: IAM policy management is entirely the customer's responsibility; AWS provides the IAM service but doesn't configure customer policies.
Question 770 of 1,024
CLF-C02 Cloud Concepts Practice Question
This CLF-C02 practice question tests your understanding of cloud concepts. 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.
According to the AWS Shared Responsibility Model, which of the following is AWS responsible for?
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
✓
Physical security of data center facilities
AWS is responsible for the physical security of data center facilities, including access controls, surveillance, and environmental systems. This is a foundational component of the Shared Responsibility Model, where AWS secures the infrastructure that runs all AWS services, while the customer secures their data and configurations within those services.
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.
- ✗
Encrypting customer data stored in Amazon S3
Why it's wrong here
While AWS provides encryption tools, the customer is responsible for choosing to enable encryption and managing customer-managed keys.
- ✗
Configuring security groups for EC2 instances
Why it's wrong here
Security group configuration is the customer's responsibility — it's part of securing the network within the cloud.
- ✓
Physical security of data center facilities
Why this is correct
AWS is fully responsible for the physical security of its data centers — customers have no access or control over this layer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Managing IAM user access policies
Why it's wrong here
IAM policy management is entirely the customer's responsibility; AWS provides the IAM service but doesn't configure customer policies.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse AWS's responsibility for providing security features (like encryption or IAM) with the customer's responsibility to configure and manage those features, leading them to select options like A, B, or D instead of the correct physical security answer.
Detailed technical explanation
How to think about this question
Under the Shared Responsibility Model, AWS's responsibility for physical security includes multi-factor authentication (MFA) on data center access, 24/7 video surveillance, and strict vendor controls, all audited via SOC reports. A subtle behavior is that even if a customer misconfigures a service, AWS remains liable for physical security, but the customer bears the risk of data exposure from misconfigurations. In a real-world scenario, if an S3 bucket is left publicly accessible, AWS's physical security is intact, but the customer is responsible for the data breach.
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: Physical security of data center facilities — AWS is responsible for the physical security of data center facilities, including access controls, surveillance, and environmental systems. This is a foundational component of the Shared Responsibility Model, where AWS secures the infrastructure that runs all AWS services, while the customer secures their data and configurations within those services.
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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