Which of the following is a wrong example of network Layer ?

x.25 Level-2-ISO

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Source routing and domain naming-usenet

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X.25 packet Level protocol (PLP)-ISO

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Internet Protocol (IP)-ARPANET

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Solution

The correct option is D Source routing and domain naming-usenet

Source routing and domain naming-usenet is a wrong example of network layer.

The network layer is the third level of the open systems interconnection model (OSI Model) and the layer that provides data routing paths for network communication. Data is transferred in the form of packets via logical network paths in an ordered format controlled by the network layer.

Usenet is a worldwide distributed discussion system available on computers.

A usenet newsgroup is a repository usually within the Usenet system, for messages posted from many users in different locations using Internet.

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