DVA-C02 Domain 2: Security

What is the MOST appropriate AWS solution to authorize API callers with signed requests?

Multiple choice — select one answer

Answer choices

  1. a. IAM instance profiles
  2. b. AWS Signature Version 4 (SigV4)
  3. c. AWS KMS with Lambda
  4. d. AWS Secrets Manager

Architectural breakdown & explanation

SigV4 signs AWS API requests.

Correct answer(s): b. AWS Signature Version 4 (SigV4)

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

Official documentation & study links

Practice this certification

This page is one question from the AWS Certified Developer – Associate bank. Run a full timed practice exam with domain-weighted random questions in your browser.