Isaiec 62443 Cybersecurity Fundamentals Specialist · Free Practice Question Easy
Question 32
In the figure, which one is the missing layer in the Open Systems Interconnection (OSI) model shown below?
- A Transport
- B Control
- C User
- D Protocol
Reveal correct answer
Correct answer: A
Explanation
As you can see in the figure. The missing layer in the OSI model is the Transport Layer. This layer is responsible for the reliable and orderly delivery of data between hosts on a network. It ensures that data packets are transmitted accurately and in the correct order, providing error checking, flow control, and multiplexing/demultiplexing of data streams.Discussion
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