SAA-C03 Domain 3: Design Secure Architectures

What is the MOST appropriate AWS solution to enforce MFA and least privilege for human access?

Multiple choice — select one answer

Answer choices

  1. a. AWS IAM with MFA
  2. b. SSE-KMS on Amazon S3
  3. c. Wildcard admin for all users
  4. d. AWS WAF

Architectural breakdown & explanation

IAM policies and MFA protect account access.

Correct answer(s): a. AWS IAM with MFA

Exam domain: Domain 3: Design Secure Architectures (24% weight on the official guide).

Official documentation & study links

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