Isaiec 62443 Cybersecurity Fundamentals Specialist · Free Practice Question Easy
Question 39
Which one is the missing layer in the Open Systems Interconnection (OSI) model shown below?
- A Control
- B Transport
- C Application
- D User
Reveal correct answer
Correct answer: C
Explanation
As you can see in the figure, the missing layer in the OSI model is the Application Layer . Application Layer layer serves as the interface between the network and the software applications that users interact with. It provides network services directly to end-users and applications and facilitates communication between different devices.Discussion
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