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Which one of the following is not a function of network layer?(a) routing(b) inter-networking(c) congestion control(d) error controlThis question was posed to me in a national level competition.I'm obligated to ask this question of Network Layer topic in section OSI Model of Computer Network

Answer»

Right choice is (d) error control

The BEST EXPLANATION: In the OSI MODEL, network layer is the third layer and it provides data routing paths for network COMMUNICATIONS. Error control is a function of the data LINK layer and the transport layer.



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