When security is a concern, which OSI Layer is considered to be the weakest link in a network system?​

IT Questions BankCategory: CCNA SecurityWhen security is a concern, which OSI Layer is considered to be the weakest link in a network system?​

When security is a concern, which OSI Layer is considered to be the weakest link in a network system?​

  • Layer 3
  • Layer 7
  • Layer 2
  • Layer 4

Explanation: Security is only as strong as the weakest link in the system, and Layer 2 is considered to be that weakest link. In addition to protecting Layer 3 to Layer 7, network security professionals must also mitigate attacks to the Layer 2 LAN infrastructure.

Exam with this question: Module 14: Quiz – Layer 2 Security Considerations Network Security

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