When 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 4
• Layer 7
• Layer 2
• Layer 3

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: 10.6.2 Module Quiz - LAN Security Concepts Answers