Basics
Feature of OSI Model
1. Big picture of communication over network is understandable through this OSI model. 2. We see how hardware and software…
July 21, 2021 · Rajil TLBasics
Basics
The OSI Model
There are n numbers of users who use computer network and are located over the world. So to ensure, national…
July 21, 2021 · Rajil TLBasics
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…
July 21, 2021 · Rajil TLBasics
Connection Oriented and Connectionless Services
These are the two services given by the layers to layers above them. These services are: 1. Connection Oriented…
July 21, 2021 · Rajil TLBasics
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…
July 21, 2021 · Rajil TLBasics
UnBounded or UnGuided Transmission Media
Unguided medium transport electromagnetic waves without using a physical conductor. This type of communication is often referred to…
July 21, 2021 · Rajil TLBasics
Fiber Optic Cable
A fibre-optic cable is made of glass or plastic and transmits signals in the form of light. For…
July 21, 2021 · Rajil TLBasics
Coaxial Cable
Coaxial is called by this name because it contains two conductors that are parallel to each other. Copper…
July 21, 2021 · Rajil TLBasics
Twisted Pair Cable
This cable is the most commonly used and is cheaper than others. It is lightweight, cheap, can be…
July 21, 2021 · Rajil TLBasics
Transmission Mediums in Computer Networks
Data is represented by computers and other telecommunication devices using signals. Signals are transmitted in the form of…
July 21, 2021 · Rajil TL