DVA-C02 Cheat Sheet (High-Yield Review)
Last-minute review of key differences, traps, and high-yield topics.
Quick answers
- S3/EBS/EFS: know when each fits.
- ALB vs NLB: L7 features vs L4 performance.
- Security Group vs NACL: stateful vs stateless.
- Multi-AZ vs Read Replica: HA vs read scaling.
Use this cheat sheet for last-mile review: patterns and gotchas that show up in DVA-C02 questions repeatedly.
Then take the mini quiz to confirm what you remember under time pressure.
Continue in PrepMaster for offline packs and deeper explanations.
Free Practice Test
10 random questions from the DVA-C02 Cheat Sheet — High-Yield Developer Notes bank. Instant feedback.
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- You want a quick baseline: 10-question mini test
- You plan to practice offline with packs in the app
- You want explanations + exam-style timed mode
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High-yield review list
- S3: durability, storage classes, lifecycle, replication.
- EC2: ASG + ALB patterns, placement, EBS vs instance store.
- VPC: routing, security groups vs NACLs, endpoints.
- Databases: RDS vs DynamoDB, Multi-AZ basics, read replicas.
- CloudFront: caching + origin patterns, signed URLs/cookies basics.
Topics & Skills Covered
- IAM permission patterns
- Lambda & API patterns
- DynamoDB keys/indexes
- Event-driven building blocks
- CI/CD basics
- Debugging signals
Helpful Free Tools
Frequently Asked Questions
Is this enough to pass?
Cheat sheets help for review, but you still need scenario practice to handle exam wording and tricky options.
When should I use it?
In the last 3–7 days before the exam, together with mixed practice tests.
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