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Service point addressing, segmentation and reassembly, connection control etc., are the responsibility of which of the following layers?

Service point addressing, segmentation and reassembly, connection control etc., are the responsibility of which of the following layers? Correct Answer Transport Layer

The correct option is 1) Transport Layer

Concept:-

Transport Layer:-

This layer is responsible for the overall end-to-end validity and integrity of the transmission i.e., it ensures that data is successfully sent and received between two computers. Specifically, it provides a network-independent, reliable message-independent, reliable message-interchange service to the top three application-oriented layers.

Key Points

  • Transport Layer acts as an interface between the bottom and top three layers.
  • The Transport layer in the Open System Interconnection (OSI) model is responsible for end-to-end delivery over a network.
  • The Transport layer controls the reliability of a given link through flow control, segmentation and desegmentation, and error control.
  • If data is sent incorrectly, this layer has the responsibility of asking for retransmission of the data.

Additional InformationNetwork layer:- The network layer establishes the route between the sending and receiving stations. The unit of data at the network layer is called a packet. It provides network routing and flow and congestion functions across the computer-network interfaces.

Session layer:- The session layer decides when to turn communication on and off between two computers. It provides the mechanism that controls the data-exchange process and coordinates the interaction between them in an orderly manner.

Presentation Layer:- The presentation layer performs code conversion and data reformatting. It is the translator of the network; it makes sure the data is in the correct form for the receiving application.

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