WHAT IS NETWORK

NETWORK

                “The interlink connection between device or node through a communication link (medium) to communicate data is called network".

what is network

 The devices like computer, mainframes/server, peripheral devices and other devices that are connected to each other to share data. Internet is one of the famous networks that connected millions of computer all over the world in order to sharing the data.
  Node: The nodes are those device which is connect each other in a network, that are capable of sending or receiving data produce by other nodes, like computer, printer and server etc.

define what is network

Computer Network

   "Computer Network is networking of group of computers in a network in order to exchange resources and to use the resources that provide by other nodes. This group of computer is connected through a a digital medium and use common communication protocol."  

What is networking?

    Networking is a process of connecting devices or nodes in one network for the purpose of exchanging resources and specially the computer to allow them to operate interactively

What are Public and Private Network?

Public network can be used by public it’s an open password network usual offered by nearby business or government. Public network are a convenient way to connect to internet. Public network can be access by three methods. First possibly it may require password, second can be access by Gmail account by providing Gmail account information and third one may be it’s an open password. rivate networks are those networks that are individual to home, business, school Wi-Fi and mobile hotspots with password protected etc. Private network are always password protected and used by specific persons.  

Components Of Network

1. Hardware Component of Network 

    i) Transmission media

    ii) NIC(Network Interface Card)

    iii) Server

    iv) Client

    v) Peer

    vi) Connecting devices 

2. Software Component of Network

    i) NOS(Networking Operating System)

    ii) Protocol 

        a) OSI model

        b) TCP/IP model

Criteria For A Data Communication Network

1. Performance

2. Reliability

3. Security 

Physical Structure Of Network

1. Point to Point network
2. Multipoint network

Physical Topology Of Network

1. Bus Topology
2. Ring Topology
3. Star Topology
4. Mesh Topology
5. Hybrid Topology

Type Of Network Casting

1. Unicast Transmission
2. Multicast Transmission
3. Broadcast Transmission

Network Types

1. LAN (Local Area Network)

2. MAN (Metropolitan Area Network)

3. WAN (Wide Area Network)

4. CAN (Campus Area Network)

5. HAN (Home Area Network)