Open system interconnection test paper

Although they will do so by different means and by different paths, they will still reach their destinations. Its services include authentication and reconnection after an interruption.

osi model questions and answers pdf

It determines how physical connections to the network are set up and how bits are represented into predictable signals as they are transmitted either electrically, optically or via radio waves.

Domain name service — an application layer service used to look up the IP address of a domain name. Layers seven through five are regarded as the upper layers, while layers four through one are regarded as the lower layers. The functions performed in each model are also similar because each uses a network layer and transport to operate.

Layer 6 - Presentation The Presentation Layer represents the area that is independent of data representation at the application layer - in general, it represents the preparation or translation of application format to network format, or from network formatting to application format.

The first letter of each word is the same as a layer of the OSI model. Layer 6: The presentation layer : Translates or formats data for the application layer based on the semantics or syntax that the application accepts.

osi model objective questions and answers

A reference model is a conceptual framework for understanding relationships. Most descriptions of the OSI model go from top to bottom, with the numbers going from Layer 7 down to Layer 1.

Whenever a networking error occurs, the physical layer is frequently checked to see if the cables are connected properly or whether a power cord may have been unplugged.

The Transmission Control Protocol is the best known example of the transport layer.

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Open System Interconnection: Test Paper