DVA-C02 Domain 2: Security

While troubleshooting latency, engineers determine they must block public access to S3 buckets by default. Which action is appropriate? block public access to S3 buckets by default.

Multiple choice — select one answer

Answer choices

  1. a. AWS Signature Version 4 (SigV4)
  2. b. AWS Secrets Manager
  3. c. S3 Block Public Access
  4. d. IAM instance profiles

Architectural breakdown & explanation

Block Public Access prevents accidental exposure.

Correct answer(s): c. S3 Block Public Access

Exam domain: Domain 2: Security (26% weight on the official guide).

Official documentation & study links

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