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Hello guys and welcome to Codipher. Today we are going to learn about computer networking. In this tutorial, you will gain in-depth knowledge of computer networks from basics to advance. We are also going to see the different types of computer networks. Also, the need for computer networking, top computer networking interview questions and types of computer networking devices, etc. So without wasting the time let’s begin.
Computer networking refers to one or more computing devices. They are connected so they can share data. Also, to communicate with each other. The process of sharing or communicating with each other of these devices works on rules called communication protocols. The sharing and communication process can happen in two ways. Physically or with the help of wireless technologies.
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A personal area network (PAN) is a computer network for connecting different electronic devices within a person’s workspace.
A local area network (LAN) is a computer network that connects computers within a limited area. Such as a residence, school, laboratory, university campus, or office building.
A wide area network (WAN) not only covers a larger geographic distance but also generally involves telecommunication circuits.
A metropolitan area network (MAN) is a computer network that connects users with computer resources in a geographic region of the size of a metropolitan area.
A wireless LAN (WLAN) is a wireless computer network that links two or more devices using wireless communication. A wireless LAN forms a local area network (LAN) within a limited area. Such as home, school, computer laboratory, campus, or office building.
A storage area network (SAN) is a computer network that provides access to close, block-level data storage.
A system area network (SAN) is a high-performance, connection-oriented network that links computer sets.
A passive optical local area network (PON) is a fiber-optic telecommunications technology for delivering broadband network access to end customers.
A home area network (HAN) is a type of computer network that enables communication among devices within the close vicinity of a home.
An enterprise private network (EPN) is a computer network that helps enterprise companies with several offices connect those offices to each in a secure way over a network.
A campus area network (CAN) is a computer network made up of a group of local area networks (LANs) within a limited geographical area.
A virtual private network (VPN) expands a private network across a public network. It enables users to send and receive data across shared or public networks. As if their devices were directly connected to the private network.
Internetworking is the practice of interconnecting multiple computer networks. In a way that any pair of hosts in the connected networks can exchange messages irrespective of their hardware-level networking technology. The resulting system of interconnected networks is called Internetwork, or simply the internet.
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The device that is used in the network is called a network device. Also, Some of the other important network devices are listed below.
Hub is a networking device that is used to connect multiple computers or other networking devices. It’s important that the devices are connected in a series of connecting ports with the computers and other devices that are connected. It also transfers data to all computers on the network.
The switch is similar to a hub. That has a series of ports for connecting computer and networking devices. It sends the data to the destination computers only. So it is an intelligent device. That’s why It is very popular nowadays and used in Star topology.
A repeater is a device that generates or amplifies signals. It makes the weak signal strength. So that they can travel a long distance.
A bridge is a networking device that joins a part of a similar network or dissimilar network. That uses the same protocol. It helps to reduce traffic and improve network performance.
A router is a network connecting device. That connects multiple networks having the same protocol. Also, it can select the best path for transferring data among multiple parts.
Gateway is a device or software that connects different networks having different protocols. It makes communication possible between two different networks.
The modem is a device that converts the digital signal into an analog signal and vice versa. The process of converting digital to analog signals is known as modulation. And analog to digital signal is known as demodulation.
PC networks help clients on the organization to share the assets. Would you be able to imagine a world now without messages, online papers, sites, talk, and different administrations presented by the web?
The following are the important uses and benefits of a computer network.
> File sharing
> Hardware sharing
> Application sharing
> User communication
> Network gaming
> Voice over IP (VoIP)
PC networks share:
Normal gadgets, capacities, and highlights including servers, customers, transmission media, shared information, shared printers and other equipment and programming resources, network interface card(NIC), nearby working system(LOS), and the organization working framework (NOS).
ALOHAnet, otherwise called the ALOHA System, or essentially ALOHA, was a spearheading PC organizing framework created at the University of Hawaii. ALOHAnet became functional in June 1971, giving the main public showing of a remote parcel information organization.
In short, the answer is a big NO . However, he/she ought to have known all the routing & exchanging orders for a better organizational foundation. And ought to have better information on systems administration. Like with regards to LAN, WAN, and Routing Protocols.
The answer is Yes on the off chance that he/she is a framework administrator/managing Active catalog services. But here likewise he/she doesn’t need additional coding languages or advancements. They ought to get a grip on the pre-characterized commands(cmdlets) for Powershell the board which helps and cuts down the hard to straightforward while making and overseeing active registry administrations
Indeed, all logical fields include the utilization of math, and so does computer Networking. As past questions referenced, the the necessity of math depends on the kind of issue in question. And the profundity at which one needs to seek after.
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