AWS SAA-C03 Series — Complete Question Index
650+ AWS Certified Solutions Architect – Associate (SAA-C03) practice questions with detailed explanations, organized by exam domain. New questions added daily.
A complete AWS Certified Solutions Architect – Associate (SAA-C03) question bank, explained the way I wish someone had explained it to me — not just “the answer is B,” but why B beats A, C, and D, and which AWS service behavior the question is really testing.
This series is both a public study resource and my own SAA prep log. I add 10 new questions every day until all 650+ are covered. Each question below links to its own post with the full scenario, correct answer, and a breakdown of the underlying AWS concept.
🟢 New here? Start with Domain 1 and work down — the domains roughly follow the weight they carry on the real exam.
Progress: 10 / 650+ questions published
📋 Exam Domain Weighting (SAA-C03)
| Domain | Weight |
|---|---|
| Domain 1: Design Secure Architectures | 30% |
| Domain 2: Design Resilient Architectures | 26% |
| Domain 3: Design High-Performing Architectures | 24% |
| Domain 4: Design Cost-Optimized Architectures | 20% |
🔐 Domain 1 — Design Secure Architectures
| # | Question | Core Service | Link |
|---|---|---|---|
| Q3 | Restrict an S3 bucket to only accounts inside an AWS Organization | S3 + Organizations | Read more → |
| Q4 | Give an EC2 instance private access to S3 with no internet | VPC Gateway Endpoint | Read more → |
🛡️ Domain 2 — Design Resilient Architectures
| # | Question | Core Service | Link |
|---|---|---|---|
| Q5 | Two EC2 instances behind an ALB show different documents | EFS | Read more → |
| Q7 | Fan out bursty messages (100k/sec) to many consumers | SNS + SQS | Read more → |
| Q8 | Modernize a primary/worker-node batch platform | SQS + Auto Scaling | Read more → |
| Q10 | Process ecommerce orders strictly in received order | SQS FIFO + API Gateway | Read more → |
⚡ Domain 3 — Design High-Performing Architectures
| # | Question | Core Service | Link |
|---|---|---|---|
| Q1 | Aggregate 500 GB/day from global sites into one S3 bucket fast | S3 Transfer Acceleration | Read more → |
| Q2 | Ad-hoc SQL queries on JSON logs in S3, least overhead | Athena | Read more → |
💰 Domain 4 — Design Cost-Optimized Architectures
| # | Question | Core Service | Link |
|---|---|---|---|
| Q6 | Migrate 70 TB of NFS video files to S3, minimal bandwidth | Snowball Edge | Read more → |
| Q9 | Extend on-prem SMB storage with lifecycle management | S3 File Gateway | Read more → |
How this series works
- Every post follows the same structure: Question → Correct Answer → Why it’s right → Why the distractors are tempting but wrong → Exam tip.
- Questions are tagged by the AWS service(s) they exercise, so you can jump straight to
s3,sqs,vpc, etc. via Tags. - I batch questions in groups of 10 as I work through my own SAA-C03 prep, so this index gets a fresh update daily — bookmark it rather than any single post.
Spotted an error or have a trickier variant of one of these questions? Open an issue on GitHub — corrections make this more useful for everyone studying alongside me.