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A smart lock IoT device fails to authenticate users correctly. What is a likely cause?

medium🧠 Conceptual Q6 of 15
Cybersecurity - Emerging Security Topics
A smart lock IoT device fails to authenticate users correctly. What is a likely cause?
AThe lock is physically broken
BThe device has too much memory
CIncorrect implementation of authentication protocols
DThe Wi-Fi signal is too strong
Step-by-Step Solution
Solution:

  1. Step 1: Analyze authentication failure reasons

    Authentication problems often come from software errors or protocol mistakes.

  2. Step 2: Rule out unrelated causes

    Memory size, physical damage, or signal strength do not directly cause authentication errors.

  3. Final Answer:

    Incorrect implementation of authentication protocols -> Option C

  4. Quick Check:

    Authentication failure = protocol errors [OK]
Quick Trick: Authentication errors usually mean protocol issues [OK]
Common Mistakes:
MISTAKES
  • Blaming hardware damage
  • Thinking memory size causes errors
  • Assuming signal strength affects authentication

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