Computer Networking Basic Concepts
We'll look at basic terms, & components in Computer Networking.
Host - A device which has a IP address. Eg. Pc, Laptop, Server.
Network - When 2 or multiple devices are connected it forms a Network.
Networking - Sharing of data and resources.
Router - It connects 2 or more different networks. It assigns IP address to devices using DHCP.
Switch - It has Ports where we can connect computer, server, printer, etc.
Two Types of Switch -
- Unmanageable Switch - Used in Homes, It's Cheap.
- Manageable Switch - Used in offices, It's Expensive.
So Now what is the Internet?
Internet is a Network of Networks. Its a combination of ISP'S.
A very large Network which involves Small Networks and Big Networks.
Network Interface card (NIC) - A Chip in computer, that helps in connecting computer to the Network. These NIC chips have the MAC address. (MAC Address - Hardware Address)
Bits - Collection of 0's and 1's.
8 bits - 1 Byte 1024 bytes - 1 kilobyte 1024 kb - 1 Megabyte
Who assigns IP addresses and controls Domain Name?
IANA (Internet Assigned Numbered Authority)
They give it to ISP'S, & our ISP assigns IP address for our device. (ISP - Internet Service Provider).
These IP Addresses are divided into 5 classes (A,B,C,D and E).
Thank you for reading. Believe in yourself, you can achieve your goals. Trust and Enjoy the process.
