SAP-C02 Practice Question: Design Solutions for Organizational Complexity
A company has a single AWS account that hosts multiple applications for different business units. Each business unit wants to have its own set of IAM users and permissions. The company wants to minimize administrative overhead while maintaining separation. They are considering using AWS Organizations with multiple accounts. However, the CFO is concerned about increased costs due to separate accounts. What is the best solution to address the business units' needs while managing costs?
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
✓
Use IAM policies with conditions based on resource tags to restrict access within the single account.
It allows business units to have their own IAM users and permissions within the single account by using IAM policies with conditions based on resource tags, minimizing administrative overhead and avoiding additional costs associated with multiple accounts. Option A is incorrect because creating an OU within the existing account does not provide separate IAM user management; OUs are for grouping accounts in Organizations, not for user management. Option C is incorrect because while separate accounts with consolidated billing can provide separation, it increases administrative overhead and may lead to higher costs due to minimum usage per account. Option D is incorrect because SCPs are used to manage permissions at the account level, not for individual IAM users; they cannot provide the granular user-level control that the business units require.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create an Organizational Unit for each business unit within the existing account.
Why it's wrong here
OUs are for organizing accounts, not for managing users within an account.
- ✓
Use IAM policies with conditions based on resource tags to restrict access within the single account.
Why this is correct
Allows logical separation without additional accounts.
- ✗
Create a separate AWS account for each business unit and use consolidated billing to manage costs.
Why it's wrong here
Creates overhead and potential cost increases.
- ✗
Use Service Control Policies to restrict each business unit's access to specific services.
Why it's wrong here
SCPs apply to accounts, not to individual users.
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