Terminaloriented computer networks 6 terminaloriented computer networks of 1960s and 1970s early computers were extremely expensive, so timesharing techniques were developed to allow them to be shared by many users. Fig 1 gives an example of a network in a school comprising of a local area network or lan connecting computers with each other, the internet, and various servers. Further, for connecting country or a group of countries, one requires a wide area network. Wide area network technologies overview a wide area network wan is a computer network covering multiple distance areas, which may spread across the entire world. Wide area network wan wan covers a large geographic area such as. Local area networks lan and wide area networks wan. Telecom carrier network facilities wide area networks wans carried over same physical facilities as voice next lecture local loop, local switch, tandem switch, trunk carried on permanent circuits of much higher bandwidth than for a single voice call. Pdf design and implementation of system and network. Download free networking courses and tutorials training in pdf lan, wan, router, switcher,the internet, intranet, would you like to learn how computer networks work. 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.
A wan connects several lans, and may be limited to an enterprise a corporation or an organization or accessible to the public. After all, virtual connections traverse both the lan and wan. Managing the corporate network is no easy task these days. Widearea network wan access has become essential for larger businesses today. Lan, man and wan are the three major types of the network designed to operate over the area they cover. The network structure includes the wireless network interface adapters and base stations that send and receive the radio signals.
Pdf short 57 page paper on wide area networks prepared for the it. Download this computer networking pdf excerpt from computer networks, a book that addresses the key principles of computer networks. The most common example of man is cable tv network. Seamless transport of ethernet frames across entire network. Design and implementation of system and network security for an enterprise with world wide branches. A clientserver network is one n which all available network resources such as files, directories, applications and shared devices, are centrally managed and hosted and then are accessed by client. Wan is a computer network that covers a broad area e.
Typically, a wan consists of two or more localarea networks lans. A wan operates within the same geographic scope of a lan, but has serial links. Packetswitched networks usually experience lower latency than circuitswitched networks experience. Cisco sba for large agenciesborderless networks is a prescriptive reference design that provides stepbystep instructions for the deployment of. Before discussing lan wan and man, let us know about the network network. Types of area networks lan, man and wan geeksforgeeks. Client serve network are defined by the presence of servers on. Figure 11 shows the relative location of a lan and wan. Network is set up using wired or wireless connections, depending on availability and reliability. Lan local area network merupakan suatu jaringan yang terbatas pada daerah yang relatif kecil. Lan s enable the sharing of resources such as files or hardware devices that may be needed by multiple users. Local area network lan is based on client server network relationship.
They can be private to connect parts of a business or they can be more public to connect smaller networks together. A wan wide area network, in comparison to a man, is not restricted to a geographical location, although it might be confined within the bounds of a state or country. 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. Simplifies network management, minimizes operational costs 10gbe specifies full duplex operation and optical fiber transmission medium 10gbe media types. This layer 3 routing device acts as an interface between the localarea network lan and the widearea network wan. Architecture of the internetoverview of the internet. What is the difference between a lan, a man, and a wan. Networks of low capacity may be connected together via a backbone network which is a network of high capacity such as a fddi network, a wan network etc. A wan wide area network is a communications network that spans a large geographic area such as across cities, states, or countries. Page 1 of 2 help configuring lan to wan network posted in networking. Cisco sba for large agenciesborderless networks is documented in a single design guide, and deployment guides and configuration guides for each of the three sections. Collisions may cause delays and waste of bandwidth. There are some similarities and dissimilarities between them.
Instalasi perangkat jaringan lan local area network. Wan is typically a network of many lans, mans and wans. Computers connected to a widearea network are often connected through public networks, such as the telephone system. Wide area network wan wan covers a large geographic area such as country, continent or even whole of the world. Wans often connect multiple smaller networks, such as local area networks lans or metro area networks mans. Networking is a process in which computing devices are connected logically and physically for sharing data with each other. They can also be connected through leased lines or satellites. Current local area networks lans runs at bandwidth speeds of 100 mbps, 1 gbps or 10 gbps. Usually the server is a higher than average file and print server cd or multimedia.
Dsl have higher download speeds, but satellite systems are about ten times faster than. A node can be a computer, printer, or any other device capable of sending andor receiving data generated by other nodes on the network. Wide area network, or wan in terms of purpose, many networks can be considered general purpose, which means they are used for everything from sending files to a printer to accessing the internet. Broadcasts do not traverse a wan unless the layer 3 edgerouting device is con. Damage can range from the unintended downloading of personal data to. Describe the functionality of lan, man, and wan networks. Client serve network are defined by the presence of servers on a network that provide security and administration of the network. Data allocations in local area networks lans, metropolitan area networks mans, and wide area networks wans are subject to different requirements and considerations. The networks in a computer are built with a great combination of software and hardware. Once you have a basic understanding of what networks are and what they can do. Simple for customer, extends ethernet lans carrier technology sophisticated but available, reliable, fairly low. Local area networks lan and wide area networks wan, difference between lan and wan local area networks lan local area network lan is a computer network, which is limited to a small office, single building, multiple buildings inside a campus etc. Rules of network protocol include guidelines that regulate the following characteristics of a network.
Widearea network wan a computer network that spans a relatively large geographical area. Data communication and computer network 6 wan may use advanced technologies such as asynchronous transfer mode atm, frame relay, and synchronous optical network sonet. This site contains which contains many networking courses is for you. In an enterprise, a wan may consist of connections to a companys headquarters, branch offices, colocation facilities, cloud services and other facilities. Metropolitan area networks mans man is public network that bridges lan and wan, typically spanning 5 to 50 km metro area ethernet becoming dominant. Lans and wans can be interconnected via t1 or t3 digital leased linesaccording to the protocols involved, networks interconnection is achieved using one or several of the following devices.
Internetwork a network of networks is called an internetwork, or simply the internet. Computer a machine that manipulates data according to a set of. Note 1 there are four type of computer network servers. A network refers to two or more connected computers that can share resources such as data, a printer, an internet connection, applications, or a combination of these. Local area networks university of california, berkeley. Standardized network protocols are important for providing a common language so that the network devices can successfully send and receive information. Local area network cannot cover cities or towns and for that metropolitan area network is needed, which can connect the city or a group of cities.
Basic of networking a computer network consists of a collection of computers, printers and other equipment that is connected together so that they can communicate with each other. To cover great distances, wans may transmit data over leased highspeed phone lines or wireless links such as satellites. In terms of the osi reference model, the radio signal operates at the physical layer, and the data format controls several of the higher layers. Difference between lan, man and wan with comparison chart. Lan wan stands for local area network wide area network covers local areas only e. Basic of networking a computer network consists of a collection of computers, printers and other. 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. Free download cisco networking books todd lammle,wendell odom, atm books window server 2003, border gateway protocol ip addressing services and more. A computer network can be defined as a set of two or more computers having interconnection to the same resources, such as exchange files, printers, cds and other similar equipment. A wide area network wan is a geographically distributed private telecommunications network that interconnects multiple local area networks lans.
In chapter 1, foundation, learn how local and wide area networks wans are now built to connect more than computers. As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc. Mcq computer network gk objective question answers pdf. Multiple choice questions of computer networking 11 computer network is. Typically, a local area network lan is a private network owned and maintained by a single. The computers on a network are also coupled through cables, telephone lines, radio waves, satellites, or. Vpn virtual private network is a generic term used to describe a communication network that uses any combination of technologies to secure a connection tunnelled through an otherwise unsecured or untrusted network1. Download free networking courses and tutorials training in pdf. Wide area networks wan has lower bandwidth rates compared with local area network lan. Local area network lan bandwidth rates are almost constant. Wide area network technologies design and implement high. Current wide area networks runs on bandwidths of 20 mbps, 50 mbps or 100 mbps.
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