The session layer
Establishes, manages, and terminates sessions between two communicating hosts. Sessions Dialog Conversations Data exchange The Ses...
The transport layer
The transport layer
Provides reliable, transparent transfer of data over networks. Segments, data stream, datagram Connection oriented and connectionless. ...
The network layer
The network layer
Provides connectivity and path selection between two host systems that may be located on geographically separated networks. Packets Virt...
The data-link layer
The data-link layer
The data link layer frame includes source and destination addresses, data length, start signal or indicator and other related Ethernet info...
The physical layer ,
The physical layer ,
The physical layer Transmission of an unstructured bit stream over a physical link between end systems. Electrical, mechanical, procedur...
LAN Transmission Methods
LAN Transmission Methods
LAN transmission methods fall into 3 main categories: 1 Unicast transmission 2 Multicast transmission 3 Broadcast transmission 1 :-- ...
What is Internet, Intranet and extranet ??
What is Internet, Intranet and extranet ??
Internet is a Network of Networks! A Network to be called as Internet, any unknown external user or users are allowed to access the par...
Mesh Topolog
Mesh Topolog
Mesh Topology In this topology each computer is connected to every other computer by using a separate cable it provide fault tolerance if...
Cellular topology
Cellular topology
Cellular topology It is called wireless topology. The N/W is made up of transmitters that broadcast the packet using a radio frequency....
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