types of computer network pdf

A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes.The interconnections between nodes are formed from a broad spectrum of telecommunication network technologies, based on physically wired, optical, and wireless radio-frequency methods that … These are small devices that can receive data from multiple input ports and send it to the specific output port that takes data to its intended destination in the network. This can happen in a closed system as well as over the internet as well. Information can be transmitted over different types of electrical cables. They are widely used to connect personal computers and workstations in company offices and In this paper, the incorporation of new computers to the network and the removing of old computers from the network are considered. Computer Network Lab Lab Marks Distribution Lab Reports Attendance/Viva Final Exam Total Full Marks 40% 20% 40% 100% Overall Objective: The lab works in this course provides hands on training and knowledge about the analysis, design, troubleshooting, modeling, testing and evaluation of computer networks. . Most branded computers have network card pre-installed. It mainly connects the LANs and other types of network that can be used for communicating to a Computer in one location to another location. Multiple Choice Questions of Computer Networking 1-1 Computer Network is A. . Computer networking plays a vital role in every business and if someone is running the business then he/she may understand how important it is to have a high quality of IT and Network services . Because of the low cost and long durability they are not used anymore. . Computer network, two or more computers that are connected with one another for the purpose of communicating data electronically. A1: A computer network is a group of computers linked to each other that enables the computer to communicate with another computer and share their resources, data, and applications. . Its principal characteristics are: § It responds to a specific set of instructions in a well-defined manner. When resources such as these are shared, users are able to increase their capabilities by multiplying and adding capacity. Also, you will learn about the most common types of protocols used by the network models while communicating one system with another. Computer viruses remain a significant threat to computer networks. Because computers are deployed in many different situations, … In the below text I will describe about different types of networks. . Learn the different types of computer network including their definitions and characteristics in … LAN can be a simple network like connecting two computers, to share files and network among each other while it can also be as complex as interconnecting an entire building. Data Communication and Computer Network 4 LAN provides a useful way of sharing the resources between end users. The Network allows computers to connect and communicate with different computers via any medium. A Network topology is the arrangement of network devices in a computer network. . expected use or capability of the computer. types of networks xiv BaseTech / Networking Concepts / team / 223089-4 / Blind Folio 0 N etworks are everywhere—or so it seems. 24.12 Parekh-Gallager Theorem. Type of networks. Do you know the different types of computers? computer networks pdf notes. Network Topologies • Topology -Physical and logical network layout –Physical –actual layout of the computer cables and other network devices –Logical –the way in which the network appears to the devices that use it. . Basic of Networking A computer network consists of a collection of computers, printers and other equipment that is connected together so … There are many ways to create a computer network, and it takes planning to properly layout the devices. There are some similarities and dissimilarities between them. A link is formed by connecting two or more devices, whereas a topology is formed by connecting two or more links. It transmits data only in one direction. . By now, you should already know that computer networks are not a random mess of “just plug this device” into the router, and magic will automatically happen. WANs connect computers … . In addition to the microprocessor, a personal computer has a keyboard for entering data, a monitor for displaying information, and a storage device for saving data. § It can execute a prerecorded list of instructions (a program). Network card is a necessary component of a computer without which a computer cannot be connected over a network. A. . LANs connect computers in a limited area. Types of Computer Network. • Common topologies: –Bus, ring, star, mesh and wireless The resources such as printers, file servers, scanners, and internet are easily sharable among computers. It is also known as the network adapter or Network Interface Card (NIC). Bus topology is a network type in which every computer and network device is connected to single cable. When it has exactly two endpoints, then it is called Linear Bus topology. They describe the physical and logical arrangement of the network nodes. They are started using network cables when there are no media used for computer networks. Q2: What are the types of computer network? A2: LAN(Local Area Network) PAN(Personal Area Network) MAN(Metropolitan Area Network) WAN or Wide Area Network: – It is a Computer network type that helps to connect the Computers placed on other countries or cities through telephone lines, radio waves or other communication links. Computer Network Types by Sophia Tutorial WHAT'S COVERED Computer networks provide users, businesses, and organizations with the ability to share information and resources such as hardware and software. For historical reasons, the networking industry refers to nearly every type of design as some kind of area network.Common examples of area network types are: Passive Types of Computer Attacks. A computer network can be defined as two or more than two computers are connected to share information and resources and these computer networks can be set up by the network or IT admins. Computer networks have used various types of physical media to exchange information, notably : • electrical cable. Types of Computer Networks LAN (Lo cal Area Network) It is privately-owned networks within a single building or campus of up to a few kilometres in size. Students shall Eavesdropping As the name suggests, hackers will sneakily listen to the conversation happening between two computers on the network. It is cost effective. . Collection of hardware components and computers B. Interconnected by communication channels C. Sharing of resources and information D. All of the Above 1-2 What is a Firewall in Computer Network? Computer can be transmitted over different types of protocols used by the network Models while communicating one system another... Their scope or scale network designed to operate over the internet as well as over the internet well... 0 N etworks are everywhere—or so it seems anything with data that does not a. 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