Exam-style question
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Which TCP/IP layer is primarily responsible for communication between applications on different devices, using port numbers to identify processes?.
- A.Application layer
- B.Transport layer
- C.Network layer
- D.Link layer
Model answer
What a good answer should say
- Transport layer
Explanation
Why this works
The transport layer supports communication between processes or applications and uses port numbers to identify the relevant process. The network layer is concerned with communication between networks, while the link layer operates on the local network.
Common mistake
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