Network datalink physical apdu, message ppdu spdu tpdu npdu, packet dpdu phpdu, frame application. Wan wide area network connects two or more lans and other networks so that computers at one location can communicate to the computers at faraway some other location. The internet of things iot refers to the inter connection and exchange of data among devicessensors. Internet is not a computer network it is a network of networks the world wide web is a distributed system that runs on top of the internet a distributed system is a collection of independent computers that appears to its users as a single coherent system example. An introduction to wide area networks wan by rob mccoy 0. The communication between different users of wan is established using leased telephone lines. A computer network is defined as the interconnection. Sharing of information over geographically wide areas.
Pdf short 57 page paper on wide area networks prepared for the it data communications course. Download wide area network wan interview questions. When we need access to other remote networks, connect two lans together or give others access to our lan, we need a wan wide area network. Ip is a standard that defines the manner in which the network layers of two hosts interact. Widearea network wan access has become essential for larger. Download this computer networking pdf excerpt from computer networks, a book that addresses the key principles of computer networks. Dsl have higher download speeds, but satellite systems are about ten times faster than. A network consists of 2 or a lot of computers that are coupled so as to share resources such as cds and printers, exchange files, or enable electronic communications. A wan provides long distance transmission of data, voice image and video information over large geographical areas that may comprise a country, a continent or even the whole world. Introduction to wide area networks ii lesson 2 telecommunications 17 development of the telecommunications network 17. May 27, 2014 07 in this module youll learn about connecting your local area network to other local area networks over large geographic areas and across multiple types of boundaries. A small office, a single building, multiple buildings inside a campus etc.
Introduction to wide area networks utilize windows. Local area network lan wide area network wan metropolitan area network man 3 lan. Wide area network wan when network spans over a large distance or when the computers to be connected to each other are at widely separated locations a local area network cannot be used. Mengdi ji designing and planning a campus wireless local. Cisco wide area application services configuration guide software version 4. Three main networking technologies are used to connect computers and networks together. The first thing we can distinguish between lan local area network and wan is that wan usually covers much greater distance. The speed on lan is usually much greater than on wan. Download free wide area network wan job interview questions. Cisco wide area application services configuration guide. Lans, wans the internet cse 32, fall 2010 instructor.
Wide area networkwan when network spans over a large distance or when the computers to be connected to each other are at widely separated locations a local area network cannot be used. Currently, with the explosive growth of the iot technologies, an increasing number of practical applications can be found in many fields including security, asset tracking, agriculture, smart metering, smart cities, and smart homes. Introductiona wide area network or wan, spans a large geographical area, often acountry or continent. An interconnected collection of autonomous computers interconnected. Ppt local area networks powerpoint presentation free to.
Conclusion thus, a computer network that spans a relatively large geographical area. I initially developed this material as a single weeks lecture in the si502networkedcomputingcourse that i taught at the university of michigan school of information starting in 2008. There are two prevailing definitions of a wide area network wan. As an introduction into wan, this course teaches satellite network basics, as well as how the various wan technologies work. They can also be connected through leased lines or satellites. Wide area network is a cn that covers a broad area, e. Now, wide area networks wans have become the next communications. Computers connected to a widearea network are often connected through public networks, such as the telephone system. Jan 01, 2012 introduction to wide area networks 8th edition on. Principles, protocols and practice, release techniques allow to create pointtopoint links while radiobased techniques, depending on the directionality of the antennas, can be used to build networks containing devices spread over a small geographical area. Local area networks lan and wide area networks wan. This textbook provides an introduction to internetworking and wide area networks and their related technology. Introduction to the controller area network can 3 standard can or extended can the can communication protocol is a carriersense, multipleaccess protocol with collision detection and. Wide area network essay place an order frame relay is one of the industry standards that utilize packet switching method in a wide area network to specify the physical and logical link layers of the digitized communication.
A wan wide area network is a communications network that spans a large geographic area such as across cities, states, or countries. Used to network computers located in a limited geographical area such as a room, floor. Local area networks lanssmall geographic regions e. A metropolitan space network man could be a network that interconnects users with pc resources in an exceedingly geographic space or region larger than that lined by even an oversized local area network lan however smaller than the realm lined by a wide area network wan. Introduction to wide area network wan synopsis wan is a wide area network, as such it is spread over a very large area such as a city, country or even a continent and overseas, the internet is a wa statistics. Ethernet page 14 plugandplay page 16 bits per second bps page 17. Data communication and computer network 5 backbone of man is highcapacity and highspeed fiber optics. As the name implies, wans cover large geographical areas. Chapter 11 wide area networks free ccna study guide. Man works in between local area network and wide area network.
Internet, tcpip, security, network design, lan, wan, encryption, vpn, ipsec. Network ecology describes the management of these factors and others that affect network performance. Wan is a wide area network, as such it is spread over a very large area such as a city, country or even a continent and overseas, the internet is a wan which is spread worldwide source website. Jun 02, 2014 conclusion thus, a computer network that spans a relatively large geographical area. Computer a machine that manipulates data according to a set of. Although its not a terribly impressive network, such a network does occasionally serve a good purpose in real life, as well as being useful for discussing networking and learning some basic skills in classroom labs. This could be a network between two cities or as large as the internet. In chapter 1, foundation, learn how local and wide area networks wans are now built to connect more than computers.
Bus topology the bus topology consists of a single cable that runs to every workstation. Introduction to wide area network protocols presentation. Typically, a wan consists of two or more localarea networks lans. This is the first and primary goal behind wide area networking. Among them, wireless local area network is one type of lan. The computers on a network are also coupled through cables, telephone lines, radio waves, satellites, or. Introduction both methodological and practical to the most basic internet. Typically, a wan consists of two or more local area networks lans.
Wide area networks wan is type of computer network to connect offices which are located in different geographical locations. Widearea data network performance engineering xfiles. Download free wide area network wan job interview questions answers pdf. After clicking the below download wide area network wan interview questions button you must have to stay for a couple of seconds to process and complete your request. The communication between different users of wan is established using leased telephone lines or satellite links and similar channels.
Wide area networks wan comprise the data networks covering individual cities, to the entire globe. Pdf on wide area network optimization researchgate. Local area network man metropolitan area network wan wide area network wireless mobile networks. Nov 11, 2019 a wan wide area network is a communications network that spans a large geographic area such as across cities, states, or countries.
Ppt networking basics powerpoint presentation free to. Wans are operated by companies like phonecable companies, service. Lans, metropolitan area networks mans, and wide area networks wans are subject to different. You must have a clear idea of the lay of the land between two points before you can determine if a link is even possible. A metropolitanarea network man spans a larger geographic area such as a city, and a widearea network wan connects networks together over a large geographic area. The practical definition of a wan is a network that traverses a public network or commercial carrier, using one of several wan. Wide area network essay place an order frame relay is one of the industry standards that utilize packet switching method in a wide area network to specify the physical and. Broadcast networks 2classify interconnected processors by scale. In this chapter, we concentrate on those wan issues that you must understand to pass the microsoft networking essentials exam.
Metropolitan area networkwan wide area networkwireless mobile networks. For technicians to perform well in this world, they need to be familiar with the various wan technologies. Before discussing lan wan and man, let us know about the network network. Introduction american home products corporation ahp is a global life sciences company with over 220 locations. A free powerpoint ppt presentation displayed as a flash slide show on id.
The book definition of a wan is a network that spans large geographical locations, usually to interconnect multiple local area networks lans. Pdf applications, deployed over a wide area network wan which may connect across metropolitan, regional or national boundaries, suffer. You can create a simple network with two computers and a cable. The data on these networks, naturally, includes video and voice. Introduction to the controller area network can rev.
Wan is used to connect two or more networks over a long distance. The osi models, popular network protocols and technology, and routing technology and protocols are discussed. Simply put a wide area network or wan links separate office locations together. If the wan is set up properly, staff should be able to communicate with a remote worker in virtually the same time as they can with one of their coworkers down the hall. A comparative study of lpwan technologies for largescale. Ip addresses are 32 bit long, hierarchical addressing scheme. Wide area network as the name suggests, the wide area network wan covers a wide area which may. Figure 1, including global area network gan, wide area network wan, metropolitan area network man and local area network lan. This paper will examine the properties of frame relay wide area network wan connections.
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