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Weekly CISSP Exam Questions

Which of the following is NOT a part of the TCP/IP model?

A.  Application Layer
B.  Internet Layer
C.  Business Layer
D.  Transport Layer

Answer: C
Explanation:
The Business Layer is not a part of the TCP/IP model, which typically includes the Network Interface, Internet, Transport, and Application layers.

  • Application Layer: Responsible for application protocols and data exchange.
  • Internet Layer: Handles packet forwarding and routing.
  • Business Layer: Not a part of the TCP/IP model.
  • Transport Layer: Ensures end-to-end communication and data integrity.

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