A networking is a collection of interconnected devices (such as computers, servers, printers, smartphones, and other hardware) that communicate with each other to share resources, data, and services. Networks enable devices to exchange information and collaborate efficiently, whether they are located in the same room or across the global.
Key Components of a Network:
- Devices/Nodes:
The hardware components that send, receive, or forward data (e.g.,
computers, routers, switches, smartphones).
- Communication Media:
The physical or wireless pathways that connect devices (e.g., cables,
fiber optics, radio waves).
- Protocols:
Rules and standards that govern how data is transmitted and received
(e.g., TCP/IP, HTTP, FTP).
- Network Services:
Functions provided by the network, such as file sharing, email, or
internet access.
Purpose of a Network:
- Resource Sharing:
Share hardware (e.g., printers), software, and data.
- Communication:
Enable communication through email, messaging, or video conferencing.
- Data Sharing:
Transfer files and information between devices.
- Centralized Management: Manage and control devices and resources from a
central location.
- Scalability:
Easily add new devices or users to the network.
Example:
- The Internet is the largest example of
a network, connecting millions of devices worldwide.
- A home Wi-Fi network connects your
laptop, smartphone, and smart TV to the internet and each other.
In summary, a network
is a system that allows devices to communicate and share resources, enabling
collaboration and efficient information exchange.
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