SAP-C02 Practice Question: Design Solutions for Organizational Complexity
Which THREE components are required to set up a centralized logging solution for multiple AWS accounts using Amazon S3? (Choose THREE.)
⚠ Common exam trap
It's easy for candidates to assume CloudWatch Logs subscription filters are mandatory for S3-based logging, but they are actually used for real-time streaming to other services, not for writing logs directly to S3 from multiple accounts.
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
✓
A central S3 bucket in the logging account.
A central S3 bucket in a dedicated logging account is the foundational component for aggregating logs from multiple AWS accounts. This bucket serves as the single destination for all log data, enabling centralized storage, analysis, and retention without exposing logs to individual source accounts.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon CloudWatch Logs subscription filter in each account.
Why it's wrong here
Not needed if using S3 directly.
- ✗
AWS CloudTrail in the central account only.
Why it's wrong here
CloudTrail must be enabled in each account.
- ✓
A central S3 bucket in the logging account.
Why this is correct
Destination for logs.
- ✓
A bucket policy on the central bucket that grants write access to the source accounts.
Why this is correct
Allows cross-account delivery.
- ✓
IAM roles in each source account with permissions to write to the central bucket.
Why this is correct
Allows services like CloudTrail to assume role.
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 |
Go deeper
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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