The answer is that the IAM policy explicitly restricts access to the us-east-1 region, so invoking the model in us-west-2 triggers an AccessDenied error. This happens because the resource ARN in the policy statement includes a region-specific component—arn:aws:bedrock:us-east-1:...—which means the policy only grants permissions for API calls targeting that exact region. On the AWS Certified AI Practitioner AIF-C01 exam, this scenario tests your understanding of how IAM policy resource ARNs define regional scope, a common trap where candidates overlook the region field and focus instead on the action or effect. A frequent memory tip is to always check the region segment of the ARN before troubleshooting permissions; if the ARN says us-east-1, the policy will deny any request to us-west-2, regardless of the action being correct. Remember: ARN region = allowed region.
AIF-C01 Fundamentals of Generative AI Practice Question
This AIF-C01 practice question tests your understanding of fundamentals of generative ai. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The policy does not allow the us-west-2 region
The resource ARN specifies us-east-1, so the policy grants access only in that region. Option B (action) is correct but not the issue. Option C (case sensitivity) is not relevant. Option D (malformed) is false.
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 resource ARN is malformed
Why it's wrong here
The ARN is valid format.
✗
The action 'bedrock:InvokeModel' is incorrect
Why it's wrong here
The action is correct for invoking models.
✗
The model ID is case-sensitive
Why it's wrong here
Model IDs are case-sensitive but the error is permission, not model not found.
✓
The policy does not allow the us-west-2 region
Why this is correct
The ARN's region is us-east-1, so the policy does not grant access in us-west-2.
Related concept
Read the scenario before looking for a memorised answer.
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 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.
What to study next
Got this wrong? Here's your next step.
Identify which AIF-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.
Fundamentals of Generative AI — This question tests Fundamentals of Generative AI — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The policy does not allow the us-west-2 region — The resource ARN specifies us-east-1, so the policy grants access only in that region. Option B (action) is correct but not the issue. Option C (case sensitivity) is not relevant. Option D (malformed) is false.
What should I do if I get this AIF-C01 question wrong?
Identify which AIF-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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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This AIF-C01 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 AIF-C01 exam.
Question Discussion
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