There are six basic components to a telecommunications network. But if you are new to the online experience, it may be a bit overwhelming. Components of a local area network like any other data communication network, a local area network is composed of three basic hardware elements. For example, you use tcpip on the internet, and youd also use it on a lan. The computers must be connected in some way to create the network.
Myriad of different lan technologies co existing in a. Local area networks university of california, berkeley. A lan is a network of computers and other electronic devices that covers a small area such as a room, office, or building. Components of a wireless lan typically there are a couple of components essential for a wireless lan. Hubs connect multiple computer networking devices together. You may be wondering, what exactly is the internet, and how does it work. Electrical components unit 36 objectives after completing this unit, you will be able to.
A minimum of at least 2 computers cables that connect the computers to each other, although wireless communication is becoming more common see advice sheet 20 for more information a network interface device on each computer this is called a network. Components of a lan network computer network network. Other networking components are used to connect a pc or even a laptop to an ethernet network. Mikalsen and tisip the learning material is developed for the course lv463d lan management hardware components with focus on servers resume. The five components of a computer network are the client, server, media, network interface card and protocols. System information networking, lan, local area network, nic. Wan is a network that covers a broad area using private or public network transports.
Network interface card, one of the main computer network components, comes with different speeds, 10mbps, 100mbps, and mbps, so on. It involves the application of computers and communication technology in the task of information handling. However, to take full advantage of its features, it requires more than simple wire connections from one device to another. Different types of topologies such as star, tree, bus, ring, etc. Although lans are conceptually very different from the conventional. Consider for a moment all the different communications that take place in an organization.
Ethernet is a network protocol that controls how data is transmitted over a lan. Computer network components are the major parts which are needed to install the software. Lan, which stands for local area network, and wan, which stands for wide area network, are two types of networks that allow for interconnectivity between computers. A small office, a single building, multiple buildings inside a campus etc. Jan 08, 2019 hubs connect multiple computer networking devices together. Components of a network a computer network comprises the following components. As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc. Hardware components with focus on servers introduction. Mike meyers in this chapter, you will learn how to. The components of a telecommunications system video. A lan is useful for sharing resources like files, printers, games or other applications.
Lan is a computer network that connects computers in small areas. Some important network components are nic, switch, cable, hub, router, and modem. Different components of a local area network are as follows. A lan in turn often connects to other lans, and to the internet or other wan. Lans enable the sharing of resources such as files or hardware devices that may be needed by multiple users is limited in size, typically spanning a few hundred meters, and no more than a mile.
Look at the basic radio configuration settings for a cisco 350 access point. Users of wireless lans operate a multitude of devices, such as pcs, laptops, and pdas. Ethernet is the most popular lan technology large installed base 500 million ethernet nodes more than 95% of lan traffic is ethernet based ethernet supports 10 mbs, 100 mbs fast ethernet, 1 gbs gigabit ethernet and 10 gbs 10gbe ethernet standardized by ieee 802. In this tutorial we look at the various components that you. Router components router memory components cisco routers and switches generally contain four types of memory. A hub also acts as a repeater in that it amplifies signals that deteriorate after traveling long distances over connecting cables. Access points an access point acts as the main radio transmitter for your wireless lan.
Access points translate network traffic into radio signals and transmit that signal to wireless enabled computers. It is used in contrast to a wide area network wan, which spans much larger geographical areas. Different types of cable in networking snabay networking. Expenditures for printers and other attached computer components rose. There are different types of cable in networking that are used for different purposes and medium.
Local area networks lan and wide area networks wan. A lan is a network that is used for communicating among computer devices, usually within an office building or home. When the term wireless network is used today, it usually refers to a wireless local area network or wlan. In this paper, we have done analytical study of different basic topologies which provide us a brief idea about each topology and their features. Wired and wireless local area networks chapter summary this chapter examines the three major network architecture components that use local area networks lans. A lan is very useful for sharing resources, such as data. Some nic can support a combination of interface, such as an aui and a bnc as well as a rj45. Grouping users onto different subnetworks, where they can share separate sets of. Basic home network and internet components, devices and services an internet connected homehome office network, consists of a variety of hardware and software components. Typically, connected devices share the resources of a single processor or server within a small geographic area.
Basic home network and internet components, devices and. In fact, wireless lan protocols are similar to ethernet and comply with the same form factors. This technology was invented by bob metcalfe and d. Recent standard network cards built with gigabit mbps connection speed.
A network spanning a physical area larger than a lan but smaller than a wan, such as a city. It is important to contact a number of different suppliers as prices, equipment and opinions may vary. A central access point is basically the wireless equivalent of a lan hub. A wlan can be installed as the sole network in a school or building.
A lan is a data communication system allowing a number of independent devices to communicate directly with each other. A local area network, or lan, consists of a computer network at a single site, typically an individual office building. One way to categorize the different types of computer network designs is by their scope or scale. You can use other components, such as wireless bridges and repeaters, to extend the reach of your network. It also supports to connect slower speeds such as 10mbps and 100mbps. Components of a lan by simple definition, a lan is two or more devices connected to each other by some type of medium, such as a cable.
A local area network consists of several parts, with the server as the natural centre. A local area network lan is a private computer network that connects computers in small physical areas. Networking cables are used to connect two or more devices such as a computer, printer, scanner, etc. With the exception of wireless lans, which are beyond the scope of this book, if there is no cable connection between devices, no connection can occur. However, the speed of the card depends on your lan speed. As computer networking has become less expensive and easier to implement, many businesses have implemented local area networks to share resources and improve company communications. When a router is powered on, the bootstrap runs a hardware diagnostic. Lan s enable the sharing of resources such as files or hardware devices that may be needed by multiple users is limited in size, typically spanning a few hundred meters, and no more than a mile. Auibnc transceivers can be used to connect a pc or a laptop to a different network interface. Depending on the type of network that we need to install, some. Each topology have some advantages and disadvantages as we discussed above so the solution is that we can integrate two or more different. Jul 31, 2015 the essential computer network components necessary for a simple computer network, usually called lan local area network, are to share resources on that network. What is lan and different components of local area network.
In lan all machines are connected to a single cable. Devices on the same logical network must have addresses with the same network part. Identify human and computer networks describe the benefits of networks distinguish between the different types of networks xiv basetech networking concepts team 2230894 blind folio 0 n. Wireless lans consist of components similar to traditional ethernetwired lans. These components are covered in the material that follows. Localarea network hardware the basic hardware components of a lan are cables, network interface cards, network servers, peripherals, and workstations. A hub is the simplest in the family of network connecting devices because it connects lan components with identical protocols. Lan s are easy to design and troubleshoot exchange of information and sharing of resources becomes easy because of lan. The terms lan and wan are often confusing for people that arent that tech savvy. Sharing of equipment like printers, scanners, fax machines, copiers, storage drives, network connection and other resources is the key rationale of computer network. The big difference, however, is that wireless lans dont require wires. For historical reasons, the networking industry refers to nearly every type of design as some kind of area network. Components of a lan network free download as word doc. A local area network lan is a group of computers and associated devices that share a common communications line or wireless link.
Network which uses shared media has high probability of data collision. Lan is a network which is designed to operate over a small physical area such as an office, factory or a group of buildings. A guide to ethernet components and terminology the power of an ethernet lan local area network is tremendous when applied to a factory floor or other industrial application. It is important to realize that most of the higher level protocols used on lans are exactly the same protocols that are used in most networks.
Wide area networks wan is type of computer network to connect offices which are located in different geographical locations. Rom readonly memory flash nvram nonvolatile ram ram randomaccess memory rom contains a bootstrap program called rom monitor or rommon. We focus on the lans that provide network access to users as these are more common. These types of settings are common for other access points as well. Chapter 7 wired and wireless local area networks chapter.
A man is typically owned and operated by a single entity such as a government body or large corporation. Lans enable the sharing of resources such as files or hardware devices that may be needed by multiple users is limited in size, typically spanning a few hundred meters, and no more than a. A computer network comprises the following components. The essential computer network components necessary for a simple computer network, usually called lan local area network, are to share resources on that network.