The correct answer is granting users only the minimum permissions required to perform their tasks. This is the core of the principle of least privilege in AWS IAM, which dictates that every user, role, or service should receive exactly the permissions needed for their specific job—nothing more. By crafting fine-grained IAM policies that limit actions to only necessary resources, you reduce the attack surface and contain the blast radius if credentials are compromised. On the AWS Certified Cloud Practitioner CLF-C02 exam, this concept often appears in scenario-based questions where you must choose the most secure policy, with a common trap being policies that grant overly broad access like “*” on all resources. Remember the memory tip: “Least privilege means least risk—give only what’s needed, nothing extra.”
CLF-C02 Security and Compliance Practice Question
This CLF-C02 practice question tests your understanding of security and compliance. 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.
What is the principle of least privilege in AWS IAM?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Granting users only the minimum permissions required to perform their tasks
The principle of least privilege in AWS IAM dictates that users, roles, and services should be granted only the minimum permissions necessary to perform their intended functions. This is implemented by creating fine-grained IAM policies that specify exactly which actions are allowed on which resources, reducing the attack surface and limiting the blast radius of a potential compromise. Option B correctly captures this core security concept.
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.
✗
Giving all users administrator access to simplify management
Why it's wrong here
Administrator access violates least privilege by granting far more permissions than needed.
✓
Granting users only the minimum permissions required to perform their tasks
Why this is correct
Least privilege means granting only the permissions necessary for a specific job function.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Allowing users to request additional permissions as needed
Why it's wrong here
This describes just-in-time access, not the definition of least privilege.
✗
Restricting all access by default and never granting permissions
Why it's wrong here
While IAM denies by default, least privilege allows necessary permissions — it does not mean zero permissions.
Common exam traps
Common exam trap: answer the scenario, not the keyword
AWS often tests the principle of least privilege by presenting Option D as a distractor, where candidates confuse 'deny by default' (which is the implicit behavior of IAM) with 'never granting permissions' (which would make the system unusable), leading them to incorrectly select the absolute denial option instead of the balanced minimum-permissions approach.
Detailed technical explanation
How to think about this question
Under the hood, AWS IAM evaluates policies using an explicit deny override model: by default, all requests are implicitly denied, and access is granted only when an explicit Allow statement matches the request and no explicit Deny applies. The principle of least privilege is operationalized by writing policies that use the smallest possible set of actions (e.g., s3:GetObject instead of s3:*) and resource ARNs scoped to specific buckets or objects, often combined with conditions like aws:SourceIp or aws:MultiFactorAuthPresent to further restrict access. In a real-world scenario, an S3 bucket policy that grants s3:PutObject to a specific IAM role only for a specific prefix (e.g., /uploads/) prevents that role from overwriting or deleting other objects, even if the role's identity-based policy is broader.
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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CLF-C02 question in full detail.
Security and Compliance — This question tests Security and Compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Granting users only the minimum permissions required to perform their tasks — The principle of least privilege in AWS IAM dictates that users, roles, and services should be granted only the minimum permissions necessary to perform their intended functions. This is implemented by creating fine-grained IAM policies that specify exactly which actions are allowed on which resources, reducing the attack surface and limiting the blast radius of a potential compromise. Option B correctly captures this core security concept.
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.
Are there clue words in this question I should notice?
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
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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