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Question

In OSI network architecture, the dialogue control and token management are responsibilities of

A
Session layer
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B
Network layer
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C
Transport layer
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D
Data link layer
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Solution

The correct option is A Session layer

In OSI network architecture, the dialogue control and token management are responsibilities of Session layer

In the seven-layer OSI model of computer networking, the session layer is layer 5. The session layer provides the mechanism for opening, closing and managing a session between end-user application processes, i.e., a semi-permanent dialogue.

Session Layer Functions and Protocols. As a functional part of the OSI model, the session layer establishes, controls, and ends sessions occurring between communicative applications. Primarily, the goal for the session layer is to coordinate active applications on various hosts using assigned protocols.

FUNCTIONS OF SESSION LAYER: Dialog Control : This layer allows two systems to start communication with each other in half-duplex or full-duplex. Synchronization : This layer allows a process to add checkpoints which are considered as synchronization points into stream of data.

A detailed description of the Session Layer. The Session Layer allows users on different machines to establish sessions between them. A session allows ordinary data transport, but also provides some enhanced services useful in some applications. ... A session service closely related to this is token management.

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology. Its goal is the interoperability of diverse communication systems with standard protocols. The model partitions a communication system into abstraction layers. The original version of the model defined seven layers.


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