- A
ec2:Region
Why wrong: ec2:Region is an EC2-specific condition key for resource-level conditions, not for the origin of API requests.
- B
aws:UserAgent
Why wrong: aws:UserAgent checks the user agent string of the API request, which does not indicate the AWS region.
- C
aws:SourceIp
Although aws:SourceIp checks the source IP address, it can be used with known IP ranges of a specific AWS region to enforce that requests originate from that region. It is a valid condition for region-based access control.
- D
aws:RequestedRegion
aws:RequestedRegion directly checks the AWS region specified in the API request, making it a direct condition key for enforcing region-specific access.
- E
aws:Region
Why wrong: aws:Region is a condition key that identifies the region of the resource being accessed, not the origin of the request.
How to Restrict AWS API Calls to a Specific Region Using IAM Policy
This SCS-C02 practice question tests your understanding of identity and access management. 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. A key principle to apply: aws:RequestedRegion. 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.
Which TWO IAM policy conditions can be used to enforce that API calls originate from a specific AWS region? (Choose TWO.)
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
aws:SourceIp
The correct answers are C and D. aws:SourceIp can be used with known IP address ranges for a specific AWS region to restrict API calls to that region, effectively enforcing region-based access. aws:RequestedRegion directly checks the AWS region specified in the API request, providing a straightforward condition for region enforcement. Option A (ec2:Region) is specific to EC2 resources and not a general IAM condition for request origin. Option B (aws:UserAgent) checks the user agent string, not the region. Option E (aws:Region) checks the region of the resource, not the request origin.
Key principle: aws:RequestedRegion
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ec2:Region
Why it's wrong here
ec2:Region is an EC2-specific condition key for resource-level conditions, not for the origin of API requests.
- ✗
aws:UserAgent
Why it's wrong here
aws:UserAgent checks the user agent string of the API request, which does not indicate the AWS region.
- ✓
aws:SourceIp
Why this is correct
Although aws:SourceIp checks the source IP address, it can be used with known IP ranges of a specific AWS region to enforce that requests originate from that region. It is a valid condition for region-based access control.
Related concept
aws:RequestedRegion
- ✓
aws:RequestedRegion
Why this is correct
aws:RequestedRegion directly checks the AWS region specified in the API request, making it a direct condition key for enforcing region-specific access.
Related concept
aws:RequestedRegion
- ✗
aws:Region
Why it's wrong here
aws:Region is a condition key that identifies the region of the resource being accessed, not the origin of the request.
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
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- aws:RequestedRegion
- IAM Condition Keys
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
aws:RequestedRegion
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.
Review aws:RequestedRegion, then practise related SCS-C02 questions on the same topic to reinforce the concept.
- →
Identity and Access Management — study guide chapter
Learn the concepts, then practise the questions
- →
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Identity and Access Management — This question tests Identity and Access Management — aws:RequestedRegion.
What is the correct answer to this question?
The correct answer is: aws:SourceIp — The correct answers are C and D. aws:SourceIp can be used with known IP address ranges for a specific AWS region to restrict API calls to that region, effectively enforcing region-based access. aws:RequestedRegion directly checks the AWS region specified in the API request, providing a straightforward condition for region enforcement. Option A (ec2:Region) is specific to EC2 resources and not a general IAM condition for request origin. Option B (aws:UserAgent) checks the user agent string, not the region. Option E (aws:Region) checks the region of the resource, not the request origin.
What should I do if I get this SCS-C02 question wrong?
Review aws:RequestedRegion, then practise related SCS-C02 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
aws:RequestedRegion
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Last reviewed: Jun 20, 2026
This SCS-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 SCS-C02 exam.
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