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Why is it recommended to enable multi-factor authentication (MFA) on the root user account?

hard📝 Conceptual Q10 of 15
AWS - Account and Billing
Why is it recommended to enable multi-factor authentication (MFA) on the root user account?
ABecause MFA disables root user access temporarily
BBecause IAM users cannot use MFA
CBecause root user has unlimited access and MFA adds extra security
DBecause MFA is required for all IAM users
Step-by-Step Solution
Solution:

  1. Step 1: Understand root user privileges

    Root user has full control over the AWS account and resources.

  2. Step 2: Recognize MFA benefits

    MFA adds a second layer of security, protecting the root user from unauthorized access.

  3. Step 3: Clarify misconceptions

    IAM users can use MFA; MFA does not disable root user; MFA is recommended but not required for all IAM users.

  4. Final Answer:

    Because root user has unlimited access and MFA adds extra security -> Option C

  5. Quick Check:

    Root user + MFA = stronger security [OK]
Quick Trick: MFA protects root user with full access [OK]
Common Mistakes:
  • Thinking IAM users can't use MFA
  • Believing MFA disables root user
  • Assuming MFA is mandatory for all IAM users

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