A detailed study on wireless lan technologies vijay chandramouli. Types of network topology in computer networks studytonight. Switches and hubs are technologies or boxes to which computers, printers, and other networking devices are connected. The challenge is to understand the operation of these technologies and protocols and their role in the network. In this chapter, i give you an overview of the different lan topologies and the ieee lan media standards you need to know in order to do well on the ccnp exam. A local area network, or lan, consists of a computer network at a single site, typically an individual office building. The connection among the devices could be wired or wireless. Lan and young 1996 stress that the technolo gy definition is varied according to authors and context of disciplines. Open vce files convert vce to pdf exam formatter vce mobile tutorial terms of. Would you like to branch out further into the field of networking but need to learn more technical skills.
Learning wireless lan technologies for the last 15 years of my life ive been an instructor of networking technology. 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. A comparative study on 4g and 5g technology for wireless applications. This technology was invented by bob metcalfe and d. Out of different types of networks, lans can be distinguished by. It is a widely useful network for sharing resources like files, printers, games, and other application. The connected stations in a lan are autonomous, meaning that primary and secondary stations do not exist. The lan technology will assist the devices on the network communicate with each other. The simplest type of lan network is to connect computers and a printer in. This paper provides a detailed study of the available wireless lan technologies and the concerned issues. Case study on comparison of wireless technologies in. Local area network lan is a data communication network connecting various terminals or computers within a building or limited geographical area. These network devices also work at different segments of a computer network performing different works. Shows technical parameter difference of wifi and lifi table 3.
A l ocal a rea n etwork lan is a group of computer and peripheral devices which are connected in a limited area such as school, laboratory, home, and office building. It is by far the most popular lan technology today. The commands and webbased gui utilities for configuring lan switching and wireless are not very difficult. The following sections discuss some of the business requirements and drivers at the higher layers and how each can influence design decisions at the lower layers. Each vendor typically had its own type of nics, cabling, and. In the case study, we conducted simulations of attacks.
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. There are different types of media access control methods in a lan, the prominent ones are ethernet, token ring. There are different categories of lte networks, and. Part iii wireless lan implementation focuses on what is perhaps the most important operating scale for wireless networks the local area network. Local area network lan metropolitan area network man wide area network wan personal area network pan a lan is a network that is used for communicating among computer devices, usually within an office building or. Bus topology is a network type in which every computer and network device is connected to single cable. These lan technology is the special combinations of software and hardware which makes the network perform at a specific speed and in the certain way. Star ring bus lan technologies ethernet wireless localtalk ibm token ring fddi atm. But if you are new to the online experience, it may be a bit overwhelming. Because of this the concepts, variables and measures relevant to the study are different from one study to another kumar et. Study of different types of network cables and practically implement the crosswired cable and straight through cable using clamping tool. Network is a medium that connects multiple computer systems with a common link. Attackers can choose from a long list of different network. All three of these network options are illustrated below.
Lan technology types, including ethernet, 10baset, 100baset, baset, 100basefx, 10gbasesr. Read on to learn how the growing field of computer networks technology allows businesses and institutions to transmit data digitally through information. To learn about different lan technologies and to design a network based on these lan technologies and to simulate these networks by a simulation tool know as opnet and by putting different loads on these networks and to study the performance of these networks. Lan s operate at relatively high speed when compared to the typical wan. Do you have a basic knowledge of routers and modems. This case study takes a brief look at the history of ieee 802. Types of wireless network explained with standards a wireless network enables people to communicate and access applications and information without wires.
A large organization may have different types of centralized. Every station can set up, maintain and break off a connection with another station. Lan technologies use shared communication media to interconnect multiple computers over short distances transmitting computer has exclusive use of communication medium. One of the significant differences is in the geographical area they cover, i. 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. Computer networks are categorized into three basic types based on their size, distance coverage, data transfer speed, and their reach. This provides freedom of movement and the ability to extend applications to different parts of a building, city, or nearly anywhere in the world. A lan is very useful for sharing resources, such as data. Network topology is the schematic description of a network arrangement, connecting various nodes sender and receiver through lines of connection. Yes, ive dabbled a bit in the consulting arena, spending between 20% and 40% off my available time helping others to design, troubleshoot, implement, and maintain with enterprise wireless lan infrastructure. Introduction to network cables and network cable types. Local area network lan, wide area network wan, and metropolitan area network man.
This cost savings can be worthwhile even in a situation in which local hosts are to be connected only to a single long. Case study on comparison of wireless technologies in industrial applications v. A lan is a private network that typically is made up of a wellconnected, reliable, and fast network connection. Local area network lan is a data communication network connecting various terminals or computers within a building or. You may be wondering, what exactly is the internet, and how does it work. When it has exactly two endpoints, then it is called linear bus topology. Lan, man, and wan are the three types of the network designed to operate over the area they cover. Most lans are used to connect computers in a single building, campus, office or room etc. Local area network, lan, network, wan, wide area network, man, metropolitan area network. Local area network, lan, network, wan, wide area network, man, metropolitan area network, developing country, communications, communication media. Different types of networks depending upon the geographical area covered by a network, it is classified as. Lan s are private networks, not subject to tariffs or other regulatory controls.
A comparative study on 4g and 5g technology for wireless. This is followed by a discussion evaluating and suggesting a. Analysis and design principles building a building b building c. Ethernet, token ring and wireless lan using ieee 802. During the 1980s pcs proliferated and the demand for lan technologies multiplied. Lan protocols function at the lowest two layers of the osi reference model between the physical layer and the data link layer.
Pdf comparative study of existing and forthcoming wlan. Wan originally formed by tele providers, nowadays, provided by internet service. The term ethernet lan refers to a combination of computers, switches, and different kinds of cables that use the ethernet standard to communicate over the network. Difference between lan, man and wan with comparison chart. Networks can be defined as a collection of independent computers and other devices interconnected by a communication medium, such as coaxial cables, twisted pairs of optical fibers. Even though there have been advances in wireless technologies, many computer networks in the 21st century rely on cables as the physical medium that devices use to transfer data. Designs employing four antennas tuned to the same channel each transmitting a different. There are some similarities and dissimilarities between them.
Several standard types of network cables exist, each designed for specific purposes. Different networking devices have different roles to play in a computer network. Network which uses shared media has high probability of data collision. Analysis and design principles design or when evaluating and optimizing an existing one. Switches and hubs are technologies or boxes to which computers, printers. Ad hoc, where stations computers directly connect infrastructure, with an access point ap that connects to a wired lan and usually a manwan distributed coordination required between stations due to collisions carrier sense multiple accesscollision avoidance. This area may be one building or one campus within a few kilometers. Nov 11, 2019 even though there have been advances in wireless technologies, many computer networks in the 21st century rely on cables as the physical medium that devices use to transfer data. Lan technologies lan topology types pearson it certification. Each vendor typically had its own type of nics, cabling, and data link and network protocols. Building on the introductory description of part i, local area.
Different lan technologies have different and incompatible ways of assigning addresses to hosts. Abinayaa, anagha jayan pg scholar, department of applied electronics, sri krishna college of technology, coimbatore, india abstract this paper conveys more information about communication modules like rf, bluetooth and zigbee in industrial applications. In the next three sections i will explain the three different network topologies you need to know for the exam. What is lan and different components of local area network. With regard to public networks, the four bottom layers of the osi model require a slightly different approach for a lan. Different networking devices and hardware types hub, switch. Let us go through various lan technologies in brief.
A lan is a network that is used for communicating among computer devices, usually within an office building or home. Defining the concepts of technology and technology transfer. Cable required is least compared to other network topology. A mesh topology connects all computers in a network to each other with separate cables. Lan technology types and properties examcollection. Defining the concepts of technology and technology. 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. The study of arrangement or mapping of elements links, nodes of a network is known as network.
Many manufacturers started producing devices for this technology. Difference between lan, wan, and man difference between. Pdf a computer network is a perfect system of connected and cooperating computers. Mike meyers in this chapter, you will learn how to. The moment packets hit the routers internet interface, they become at what is called wan. Note the term ethernet lan refers to a combination of computers, switches, and different kinds of cables that use the ethernet standard to communicate over the network. Local area networks university of california, berkeley. Wireless networking technology from principles to successful implementation. Mar 29, 2016 the network allows computers to connect and communicate with different computers via any medium.
Ethernet, token ring, and fibber distributed data interconnect fddi. Mar 20, 2020 a l ocal a rea n etwork lan is a group of computer and peripheral devices which are connected in a limited area such as school, laboratory, home, and office building. Some grades, or cats, are required for fast ethernet networks, while others are perfectly. No experiment 1 study of different types of network cables and practically implement the crosswired cable and straight through cable using clamping tool. This software implements a protocol that governs how hosts and routers cooperate in order to transfer data. Understanding wan technologies and why networks were divided to local area networks lan and wide area network wan will help you distinguish among what i call packet carriers technologies which carry generated packets among network devices from hop to hop. Many lan technologies that use ring topology use token passing for synchronized access to the ring ring itself is treated as a single, shared communication medium bits pass from transmitter, past other computers and are copied by destination. The network allows computers to connect and communicate with different computers via any medium. Alternatives on the lan framework include cans, mans, and wans.
701 1041 1362 312 285 38 288 284 1305 1271 921 615 1033 919 1261 1421 361 957 65 677 650 662 1585 1539 37 775 41 1438 586 494 203 414 417 1106 1199 301 736 316 1308 432 508