File Name: learn hardware and networking .zip
A computer network is a group of two or more interconnected computer systems. You can establish a network connection using either cable or wireless media.
Every network involves hardware and software that connects computers and tools. Helps you to share printers, scanners, and email. Helps you to share information at very fast speed Electronic communication is more efficient and less expensive than without the network. Computer Network Components Here are essential computer network components: Switches Switches work as a controller which connects computers, printers, and other hardware devices to a network in a campus or a building.
It allows devices on your network to communicate with each other, as well as with other networks. It helps you to share resources and reduce the costing of any organization.
Routers Routers help you to connect with multiple networks. It enables you to share a single internet connection with multiple devices and saves money. This networking component acts as a dispatcher, which allows you to analyze data sent across a network. It automatically selects the best route for data to travel and send it on its way. Servers: Servers are computers that hold shared programs, files, and the network operating system.
Servers allow access to network resources to all the users of the network. Clients: Clients are computer devices which access and uses the network as well as shares network resources. They are also users of the network, as they can send and receive requests from the server. Transmission Media: Transmission media is a carrier used to interconnect computers in a network, such as coaxial cable, twisted-pair wire, and optical fiber cable.
It is also known as links, channels, or lines. Access points Access points allow devices to connect to the wireless network without cables. A wireless network allows you to bring new devices and provides flexible support to mobile users. Shared Data: Shared data are data which is shared between the clients such as data files, printer access programs, and email.
Network Interface Card: Network Interface card sends, receives data, and controls data flow between the computer and the network. Local Operating System: A local OS which helps personal computers to access files, print to a local printer and uses one or more disk and CD drives which are located on the computer.
Network Operating System: The network operating system is a program which runs on computers and servers. It allows the computers to communicate via network. Protocol: A protocol is the set of defined rules that allows two entities to communicate across the network.
Hub: Hub is a device that splits network connection into multiple computers. It acts a distribution center so whenever a computer requests any information from a computer or from the network it sends the request to the hub through a cable.
The hub will receive the request and transmit it to the entire network. It is used for connecting a device to the internet. It is a reference model which allows you to specify standards for communications. Unique Identifiers of Network Below given are some unique network identifiers: Hostname: Every device of the network is associated with a unique device, which is called hostname. Length of the IP address is bits. IPv6 address is 64 bits. Every host can have multiple applications running.
Each of these applications are identified using the port number on which they are running. Uses of Computer Networks Here are some common application of computer networks Helps you to share resource such as printers Allows you to share expensive software's and database among network participants Provides fast and effective communication from one computer to another computer Helps you to exchange data and information among users via a network.
Some components of the network design may not last for many years, and it will become useless or malfunction and need to be replaced. Requires time for constant administration Frequent server failure and issues of regular cable faults Summary: A computer network is a group of two or more interconnected computer systems Computer networks help you to connect with multiple computers together to send and receive information Switches work as a controller which connects computers, printers, and other hardware devices Routers help you to connect with multiple networks.
It enables you to share a single internet connection and saves money Servers are computers that hold shared programs, files, and the network operating system Clients are computer device which accesses and uses the network and shares network resources Hub is a device that split a network connection into multiple computers.
Access points allow devices to connect to the wireless network without cables Network Interface card sends, receives data and controls data flow between the computer and the network A protocol is the set of defined rules which that allows two entities to communicate across the network Hostname, IP Address, DNS Server, and host are important unique indetenfiters of computer networks.
Computer network helps you to share expensive software's and database among network participants The biggest drawback of installing computer network is that its initial investment for hardware and software can be costly for initial set-up. Hacking Tools are computer Digital forensic is a process of preservation, identification, extraction, and documentation of Data is one of the most vital components of information systems. Database powered web applications are used by Below is a curated list of Bounty Programs by reputable companies 1 Intel Intel's bounty program Home Testing.
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A computer network is a group of two or more interconnected computer systems. You can establish a network connection using either cable or wireless media. Every network involves hardware and software that connects computers and tools. Helps you to share printers, scanners, and email.
Creation of new software. This activity contains 15 questions. What is a computer?
Our Computer Networking Tutorial is designed for beginners and professionals. Our Computer Network tutorial includes all topics of Computer Network such as introduction, features, types of computer network, architecture, hardware, software, internet, intranet, website, LAN, WAN, etc. A computer network is a set of devices connected through links. A node can be computer, printer, or any other device capable of sending or receiving the data. The links connecting the nodes are known as communication channels.
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This document covers the basics of how networking works, and how to use different devices to build networks.