Basics 2 min read
Session Layer – OSI Model
The Session Layer allows users on different machines to establish active communication sessions between them. It’s main aim is to…
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Basics 3 min read
Transport Layer – OSI Model
The basic function of the Transport layer is to accept data from the layer above, split it up into smaller…
Basics 2 min read
Network Layer – OSI Model
The network Layer controls the operation of the subnet. The main aim of this layer is to deliver packets from…
Basics 3 min read
Data Link Layer – OSI Model
Data link layer performs the most reliable node to node delivery of data. It forms frames from the packets that…
Basics 3 min read
Physical Layer – OSI Reference Model
Physical layer is the lowest layer of the OSI reference model. It is responsible for sending bits from one computer…
Basics 5 min read
Feature of OSI Model
1. Big picture of communication over network is understandable through this OSI model. 2. We see how hardware and software work together.…
Basics 1 min read
The OSI Model
There are n numbers of users who use computer network and are located over the world. So to ensure, national and worldwide…
Basics 1 min read
Reference Models in Communication Networks
The most important reference models are : 1. OSI reference model. 2. TCP/IP reference model. Introduction to ISO-OSI Model There are many…
Basics 4 min read
Connection Oriented and Connectionless Services
These are the two services given by the layers to layers above them. These services are: 1. Connection Oriented Service 2. Connectionless…
Basics 4 min read
Types of Communication Networks
Communication Networks can be of following 5 types: 1. Local Area Network (LAN) 2. Metropolitan Area Network (MAN) 3. Wide Area Network (WAN)…