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Why might a microservice fail to authenticate requests even when tokens are present?

medium📝 Analysis Q7 of 15
Cybersecurity - Security Architecture and Design
Why might a microservice fail to authenticate requests even when tokens are present?
ATokens are expired or malformed
BMicroservice is running on a fast server
CTokens are encrypted with TLS
DService uses load balancing
Step-by-Step Solution
Solution:

  1. Step 1: Understand token authentication requirements

    Tokens must be valid, not expired or malformed, to authenticate requests.

  2. Step 2: Identify reasons for authentication failure

    Expired or malformed tokens cause authentication failure; other options are unrelated.

  3. Final Answer:

    Tokens are expired or malformed -> Option A

  4. Quick Check:

    Invalid tokens = Authentication fails [OK]
Quick Trick: Expired or bad tokens cause authentication failure [OK]
Common Mistakes:
MISTAKES
  • Assuming server speed affects authentication
  • Confusing encryption with token validity
  • Thinking load balancing causes auth failure

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