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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