CCNA

Network Layer (OSI Layer-3) Explained

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osi network layer

The Internet Protocol (IP) is the most popular implementation of a hierarchical network addressing scheme. IP is the network protocol the Internet uses at the network layer, the data is encapsulated within packets (also known as datagrams) IP determines the form of the IP packet header (which includes addressing and other control information) but does […]

CCNA

Osi Model : 7 Layer Of The Network Communication

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osi model

OSI ( Open Systems Interconnection ) model was developed by ISO ( International Organization for Standardization – Technical Committee 97 ) in 1978. This model was fixed a little bit and published as “OSI Reference Model” in 1984. OSI model, which is accepted by all world very quickly, basicly defines how network devices communicate together. Before […]