Question

Which layer is responsible for process to process delivery in a general network model?

(a) network layer

(b) transport layer

(c) session layer

(d) data link layer

This question was posed to me in class test.

This interesting question is from Reference Models topic in chapter Computer Networks Introduction of Computer Network

Answer 1

The correct answer is (b) transport layer

Best explanation: The role of Transport layer (Layer 4) is to establish a logical end to end connection between two systems in a network. The protocols used in Transport layer is TCP and UDP. The transport layer is responsible for segmentation of the data. It uses ports for the implementation of process-to-process delivery.