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A connected EV uses multiple layers of security: encryption, firewalls, and intrusion detection. Why is this multi-layered approach important?

hard📝 Application Q8 of 15
EV Technology - Connected Vehicle (V2X)
A connected EV uses multiple layers of security: encryption, firewalls, and intrusion detection. Why is this multi-layered approach important?
AIt provides backup protection if one layer fails
BIt reduces the vehicle's battery usage
CIt speeds up the vehicle's charging time
DIt simplifies the vehicle's software
Step-by-Step Solution
Solution:
  1. Step 1: Understand multi-layer security

    Using several security methods together covers different attack types and weaknesses.
  2. Step 2: Explain importance

    If one layer is bypassed, others still protect the system, increasing overall safety.
  3. Final Answer:

    It provides backup protection if one layer fails -> Option A
  4. Quick Check:

    Multi-layer security = Backup protection [OK]
Quick Trick: Multiple security layers protect better than one [OK]
Common Mistakes:
  • Thinking multi-layer security affects battery or speed
  • Assuming it simplifies software instead of adding complexity

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