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Cybersecurity Fundamentals Specialist Exam - Question 4


What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

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Correct Answer: C

The missing layer in the Open Systems Interconnection (OSI) model is the Transport layer. This layer is responsible for end-to-end communication and error handling, and protocols like TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) operate at this layer. The Transport layer ensures complete data transfer and manages the reliability of a given link through flow control, segmentation/desegmentation, and error control.

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Evan7557Option: C
Oct 12, 2023

C is the correct Answer

AkyeOption: C
Nov 4, 2023

The correct answer is option C