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Layer 3

for more details

http://www.windowsnetworking.com/articles_tutorials/OSI-Reference-Model-Layer3-Hardware.html

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Posted by waqasahmad

For the network addressing , network layer or layer-3 is used.

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Posted by shehenshah

layer 3

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Posted by Hash007

Layer 3

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Posted by HamidAliKhan

The Network Layer of the OSI ensures that the data arrives at the correct destination. As such, it is concerned with network addressing and routing.

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Posted by casey