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dva-c02-chea Cheat Sheet (High-Yield Review)

Last-minute review of key differences, traps, and high-yield topics.

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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.

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Free Practice Test

10 random questions from the DVA-C02 Cheat Sheet — High-Yield Developer Notes bank. Instant feedback.

Question 1/10

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Who is this for?

  • 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

Why use PrepMaster?

  • Works Offline: Study anywhere, no internet needed.
  • Detailed Explanations: Understand the logic behind every answer.
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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

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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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