- A
aws:SourceIp
Why wrong: Checks source IP address, not organization.
- B
aws:MultiFactorAuthPresent
Why wrong: Checks for MFA, not organization membership.
- C
aws:PrincipalOrgID
Checks that the principal's account is in the specified AWS organization.
- D
aws:SourceVpce
Why wrong: Checks VPC endpoint, not organization.
Question 84 of 1,748
SCS-C02 Identity and Access Management Practice Question
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. 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.
A security engineer must ensure that cross-account access to an S3 bucket is restricted to only accounts that are part of a specific AWS organization. Which IAM policy condition key should be used in the bucket policy?
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:PrincipalOrgID
Option C is correct because the `aws:PrincipalOrgID` condition key allows you to restrict access to only principals (accounts) that belong to a specific AWS organization. By specifying the organization ID in the bucket policy, you ensure that only accounts within that organization can access the S3 bucket, regardless of whether they are from the same account or cross-account. This key is evaluated against the organization ID of the principal's account, making it ideal for cross-account access control based on organizational membership.
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.
- ✗
aws:SourceIp
Why it's wrong here
Checks source IP address, not organization.
- ✗
aws:MultiFactorAuthPresent
Why it's wrong here
Checks for MFA, not organization membership.
- ✓
aws:PrincipalOrgID
Why this is correct
Checks that the principal's account is in the specified AWS organization.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
aws:SourceVpce
Why it's wrong here
Checks VPC endpoint, not organization.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse `aws:PrincipalOrgID` with `aws:SourceAccount` or `aws:SourceOrgID` (which does not exist), or mistakenly think `aws:SourceVpce` can restrict based on account identity, when in reality it only restricts based on network path.
Detailed technical explanation
How to think about this question
The `aws:PrincipalOrgID` condition key works by comparing the organization ID from the principal's AWS account (retrieved from the AWS Organizations service) with the value specified in the policy. This key is particularly useful in multi-account environments where you want to allow access from any account within your organization without having to list each account ARN individually. A subtle behavior is that this key does not work with anonymous principals (e.g., `Principal: "*"`) unless the request is signed with IAM credentials from an account in the organization, and it is not supported for service-linked roles or some AWS services that do not have an organization ID.
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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Identity and Access Management — This question tests Identity and Access Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: aws:PrincipalOrgID — Option C is correct because the `aws:PrincipalOrgID` condition key allows you to restrict access to only principals (accounts) that belong to a specific AWS organization. By specifying the organization ID in the bucket policy, you ensure that only accounts within that organization can access the S3 bucket, regardless of whether they are from the same account or cross-account. This key is evaluated against the organization ID of the principal's account, making it ideal for cross-account access control based on organizational membership.
What should I do if I get this SCS-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.
About these practice questions
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Last reviewed: Jul 4, 2026
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