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Why is it recommended to use IAM roles instead of IAM users with long-term credentials for AWS services?

hard📝 Conceptual Q10 of 15
AWS - Identity and Access Management
Why is it recommended to use IAM roles instead of IAM users with long-term credentials for AWS services?
AUsers cannot be assigned permissions
BUsers cannot access AWS services
CRoles are cheaper than users
DRoles provide temporary credentials that reduce risk if compromised
Step-by-Step Solution
Solution:
  1. Step 1: Understand credential types

    IAM roles provide temporary credentials that expire automatically, reducing security risks.
  2. Step 2: Compare with IAM users

    IAM users have long-term credentials that can be stolen and misused. Roles improve security by limiting credential lifetime.
  3. Final Answer:

    Roles provide temporary credentials that reduce risk if compromised -> Option D
  4. Quick Check:

    Temporary credentials improve security over long-term keys [OK]
Quick Trick: Temporary credentials from roles reduce security risks [OK]
Common Mistakes:
MISTAKES
  • Thinking users cannot access services
  • Believing roles are cheaper
  • Assuming users cannot have permissions

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