SAA-C03 Study Guide + Practice
Short notes + common traps + quick practice. Then validate with the mini test.
Quick answers
- Read notes → do 10 questions → review mistakes immediately.
- Write 1 rule per mistake (symptom → cause → fix / concept → example).
- Repeat within 24–48 hours to lock it in.
- When accuracy is stable, switch to timed simulator practice.
These SAA-C03 notes cover the storage tradeoffs you must recognize quickly: object vs block vs file, and which S3 class fits the access pattern.
Fast mental model: S3 = object storage, EBS = block storage for one instance (or limited attachments), EFS = shared file system across many instances.
Do the mini quiz to validate you can pick the right storage. Then continue in PrepMaster for offline packs, timed practice, and detailed explanations.
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Study notes (fast guide)
Use these notes as a short explanation layer — then prove it with questions. The mini test above is the fastest feedback loop.
- S3 storage classes (high-level): Standard for frequent access, Standard-IA for infrequent, Glacier-style classes for archival
- Lifecycle rules: automate moving objects between classes based on age/access
- EBS: block storage for EC2 (great for OS/data volumes, predictable performance needs)
- EFS: managed NFS file storage for shared access across multiple EC2 instances
- Choosing fast: shared POSIX file storage across instances → EFS; single-instance low-latency block → EBS; durable objects + web content/data lake → S3
- Common traps: using EBS when you need shared access; using EFS when object storage is enough; forgetting lifecycle for cost optimization
Topics & Skills Covered
- S3 storage classes (high-level): Standard for frequent access, Standard-IA for infrequent, Glacier-style classes for archival
- Lifecycle rules: automate moving objects between classes based on age/access
- EBS: block storage for EC2 (great for OS/data volumes, predictable performance needs)
- EFS: managed NFS file storage for shared access across multiple EC2 instances
- Choosing fast: shared POSIX file storage across instances → EFS; single-instance low-latency block → EBS; durable objects + web content/data lake → S3
- Common traps: using EBS when you need shared access; using EFS when object storage is enough; forgetting lifecycle for cost optimization
Helpful Free Tools
Frequently Asked Questions
When should I choose EFS over EBS?
When multiple EC2 instances need to read/write the same files at the same time (shared file system).
When do S3 lifecycle policies matter in SAA-C03?
Cost optimization scenarios: automatically moving old data to cheaper tiers without manual work.
What’s the simplest “3 storage types” rule?
S3 = object, EBS = block, EFS = file (shared). Map the scenario to the storage type first, then optimize.
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