introduction to local area network pdf

0000001217 00000 n . ����KX���4�/ W뻺 . networks, enabling communication and resource sharing across both net-works. . While some networks limit the number of connected machines, others grow as large as a global wide area network (WAN). MAN (Metropolitan Area Network) MAN is a computer network that interconnects users with computer resources in a geographic area or region larger than that covered by a LAN(Local Area Network) but smaller than the area covered by a WAN(Wide Area Network). 0000002289 00000 n . 199 14 On a ‘Local Area Network’ data transfer speeds are higher than WAN and MAN that can extend to a 10.0 Mbps (Ethernet network) and 1.0 Gbps (Gigabit Ethernet). Also, most local networks support at least 100 stations, or nodes. MANstands for Metropolitan Area Networks is one of a number of types of networks. You will learn the key devices found on LANs such as hubs, switches, and routers, and how each of these devices functions to allow for effective and efficient communication on the LAN. . . This project, design and implementation of wireless local area network was written to serve as a reference book for wireless LAN in the future whenever it is desired. . 2y�.-;!���K�Z� ���^�i�"L��0���-�� @8(��r�;q��7�L��y��&�Q��q�4�j���|�9�� . For most LANs, the maximum distance between two nodes in the network is at least one mile, and the transmission speed ranges from 1 to 20 megabaud. S ITS NAME IMPLIES, a local area network is a data communication network, typically a packet communi- cation network, limited in geographic scope.’ A local area network generally provides high-bandwidth communica- tion over inexpensive transmission media. 0000002366 00000 n When you read about WAN technologies and protocols, there is a lot of terminology you might encounter. Introduction-A network can be defined as a group of computers and other devices connected in some ways so as to be able to exchange data.-Each of the devices on the network can be thought of as a node; each node has a unique address.-Addresses are numeric quantities that are easy for computers to work with, but not for humans to remember. Elaine_06_I-6 Overview • Ethernet is the most popular LAN technology - large installed base (500 million Ethernet nodes) A MAN is a relatively new class of network. . It is also called LAWN (Local Area Wireless Network). 0000003422 00000 n H���yTSw�oɞ����c [���5la�QIBH�ADED���2�mtFOE�.�c��}���0��8�׎�8G�Ng�����9�w���߽��� �'����0 �֠�J��b� This hands-on Introduction to Networking course will enable you to take a more active part in the discussion and decision-making processes related to networking technology issues. That is, one network can be connected to another network and be-come a more powerful tool because of the greater resources. H��R]��0|ׯ�Ƕ`eWZ}=���Hi��P�\_�k;G�~W��\K�T��$������A94G�*�� t�2o�����l�{�{���k9�[l�߫߰A�'�@V���Ap�i��Gց�A�I�F�F� ��]>�w����yD����}~Q�y�5_j!�z���.��{�~��/ �N@_��w���IG��C�� �j���T�ڂ7�[� ��ƳK%���C�c���E��R�ڃL₠)%'��䵱)y1�#j���M蘠ީ�bGp�J�����|�vF�����3��16>��clc��tq���$0tb�!�)P��K[���k�p�Om����ʳ6�\�@S��, �� h��6H�)>�[M��3ȹ{m�#,���{��mW��\FI�"M)&�7� A LAN is, as the name implies, a local network. a local office, school, or house. MAN is larger than a local area network and as its name implies, covers the area of a single city. How Bandwidth Is Achieved from RF Signals: The frequency spectrum used in RF transmissions. The term is applied to the interconnection of networks in an exceedingly … CS2105 Introduction to Computer Networks Lecture 10 Local Area Network 29 October 2018 Link View Notes - Lecture 10 Local Area Network.pdf from CS 2105 at University of Central Punjab, Lahore. Elaine_06_I-5 Ethernet. . Wireless LAN stands for Wireless Local Area Network. 0000002885 00000 n §!IKHÜñÓÅFÁx‰$ø÷=gw%Û€dÒ–¬½œo¿ó�‹ŞüvÎɬöŞ�¼7ádtée„Á'#œ¥ğ/BÆ™Áÿh‚_w%şè,âv‘ŠÂDJ Gï. In a simple way, a Local Area Network (LAN) is a group of computers and other devices that are connected together over a network cables and are all in the same location typically within a single building like an organization or home. Wireless Local-Area Networks: A brief history of wireless networking and some of the basic concepts. A. Redundant Array of Independent Disks B. Redundant Array of Important Disks C. Random Access of Independent Disks Network Layer (Cont.) WLAN is one in which a mobile user can connect to a Local Area Network (LAN) through a wireless connection. 3 Fig 1: Representation of Network in a school. 2 LAN Components A LAN is a combination of hardware … Topics)Use of networks)Network structure ... Local Area Networks (LANs))Small geographic regions (e.g., building(s)))High data rates (10-100 Mbps and up) – Much higher than connection to ISP)Low cost (thousands of dollars))Typically broadcast. <]>> The purpose of the article is to provide readers with … ����vi``� �q�[� P��Q)�X�::�0��#���:a�����1�6�� ����� �h&���>F!5�� �8%�e(�� 2� �^ d�hX-�CY� �8����Hs��[*���@�9��nj_vqy->�8�� 'C '�,G0̗����pX.�!�a c3����3���Ҡn��Xbo�B�� cb� In LAN all machines are connected to a single cable. It is used to connect two or more personal computers through a communication medium such as coaxial cable, twisted pair, etc. Introduction to Local Area Networks viii Lesson 6 ATM Deployment .....297 ATM in Building and Campus Networks .....298 Introduction. ��w�G� xR^���[�oƜch�g�`>b���$���*~� �:����E���b��~���,m,�-��ݖ,�Y��¬�*�6X�[ݱF�=�3�뭷Y��~dó ���t���i�z�f�6�~`{�v���.�Ng����#{�}�}��������j������c1X6���fm���;'_9 �r�:�8�q�:��˜�O:ϸ8������u��Jq���nv=���M����m����R 4 � The area between firewall & connection to an external network B. Local area networks use this low-east, high-speed transmission capabality as the basis for a general-purpose data transfer network. "F$H:R��!z��F�Qd?r9�\A&�G���rQ��h������E��]�a�4z�Bg�����E#H �*B=��0H�I��p�p�0MxJ$�D1��D, V���ĭ����KĻ�Y�dE�"E��I2���E�B�G��t�4MzN�����r!YK� ���?%_&�#���(��0J:EAi��Q�(�()ӔWT6U@���P+���!�~��m���D�e�Դ�!��h�Ӧh/��']B/����ҏӿ�?a0n�hF!��X���8����܌k�c&5S�����6�l��Ia�2c�K�M�A�!�E�#��ƒ�d�V��(�k��e���l ����}�}�C�q�9 Chapter 1 of Computer Networks: A Systems Approach, Fifth Edition hopes to explain why networks are designed the way they are to help readers better understand how to build a network from the ground up. Broadly speaking, there are two types of network configuration, peer-to-peer networks and client/server networks. First, you will study the basic concepts of networking and Local Area Networks. MAN – Metropolitan Area Network: A network that can span a geographic area the size of a city. There are two basic issues in local area network design. This paper discusses They keyword here is “local”. endstream endobj 200 0 obj<> endobj 201 0 obj<> endobj 202 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/ExtGState<>>> endobj 203 0 obj<> endobj 204 0 obj[/ICCBased 210 0 R] endobj 205 0 obj<> endobj 206 0 obj<> endobj 207 0 obj<>stream A Local Area Network (LAN) is a network that is restricted to smaller physical areas e.g. LAN is not very costly as it is built with inexpensive hardware such as network adapters, hubs and ethernet cables. . n�3ܣ�k�Gݯz=��[=��=�B�0FX'�+������t���G�,�}���/���Hh8�m�W�2p[����AiA��N�#8$X�?�A�KHI�{!7�. 2. • Introduction to Local Area Networks (LANs) ... area network • LANs may exist on many levels categorized by speed and application. In this lesson, I’ll give you a general overview of what LANs (Local Area Network) are. First step toward a networking career. A network must provide connectivity among a set of computers. This network could be as small as two computers that are connected to each other or large, with thousands of devices connected. endstream endobj 208 0 obj<> endobj 209 0 obj<> endobj 210 0 obj<>stream 0 �V��)g�B�0�i�W��8#�8wթ��8_�٥ʨQ����Q�j@�&�A)/��g�>'K�� �t�;\�� ӥ$պF�ZUn����(4T�%)뫔�0C&�����Z��i���8��bx��E���B�;�����P���ӓ̹�A�om?�W= DEFINITION. . . Metropolitan Area Networks 13.5 Link-State Routing-Update Algorithm. 0000002047 00000 n . A3: Full form of LAN is Local Area Network, LAN is a group of computers connected to each other in a small area such as office, building. x�b```f``���$c@(����������� UhbPd1�&6�~rw�{����g�$������qv|P���f��ɸ�e��z��xX�q�`�cTt�}@I�o��$O�|�̽�.�&��T�R��k��Y@�۠�$�C�N��!�ȡ2�ps�=@�CGsO��z�QdV��9��:�#�gt"��ef��*s�y�\1s��^9ϓ����� v���?�q�9ttR�J����Ւ��`&@��69u�z�գvR4�ȝ�[��: ��R1�`�v�?PG ^ :/d���D����-3�w ����`؄`n� . WAN: Wide Area Network. A. 0000001301 00000 n For example, you use TCP/IP on the Internet, and you’d also use it on a LAN. What is Local Area Network (LAN)? By sending data through the router, all the computers on the local area network could send data across the “Wide Area Network” (or WAN). . . Let’s look at a picture: The picture above is what a WAN solution in general looks like. 0000003644 00000 n %%EOF �ꇆ��n���Q�t�}MA�0�al������S�x ��k�&�^���>�0|>_�'��,�G! 0000002011 00000 n trailer A local area network is a high-speed, medium-distance communication system. On the left side in the green box, we have the customer network that is paying for the services of the WAN service provider. . IP addresses are 32 bit long, hierarchical addressing scheme. �x������- �����[��� 0����}��y)7ta�����>j���T�7���@���tܛ�`q�2��ʀ��&���6�Z�L�Ą?�_��yxg)˔z���çL�U���*�u�Sk�Se�O4?׸�c����.� � �� R� ߁��-��2�5������ ��S�>ӣV����d�`r��n~��Y�&�+`��;�A4�� ���A9� =�-�t��l�`;��~p���� �Gp| ��[`L��`� "A�YA�+��Cb(��R�,� *�T�2B-� A WAN spans a large physical distance. %PDF-1.4 %���� Approximately all current LANs whether wired or wireless are based on Ethernet. Begin preparing for a networking career with this introduction to how networks operate. The IEEE 802.11 group of standards defines the technologies for wireless LANs. • IP is a standard that defines the manner in which the network layers of two hosts interact. startxref This first course in the 3-course CCNA series introduces architectures, models, protocols, and networking elements – functions needed to support the operations and priorities of Fortune 500 companies to small innovative retailers. On the right side, in the blue box, we have the WAN service provider with its hardware. 0000000016 00000 n N'��)�].�u�J�r� The area between ISP to Military area C. The area surrounded by secured servers D. The area surrounded by the Military 5-3 What is the full form of RAID ? When multiple computers at one location were connected to- gether in a “Local Area Network” (or LAN) using physical wiring, you would connect a router to the local area network. 0000000576 00000 n . LOCAL AREA NETWORK(LAN) LAN is a network which is designed to operate over a small physical area such as an office, factory or a group of buildings. The CPE (Customer Premises Equipment)are all … Let me walk you through the different items in the picture: 1. Example: DQDB. 802.11 Wireless networks Standards for Interoperable LAN/MAN Security (SILS) (Network Security) 802.10 802.9 Integrated Voice and Data Networks 802.8 Fiber-Optic Technical Advisory Group 802.7 Broadband Technical Advisory Group 802.6 Metropolitan Area Network (MAN) 802.5 Token Ring networks 802.4 A token passing bus . The internet is the largest WAN, … Examples: Ethernet, LocalTalk, Token Ring, FDDI, ATM PAN – Personal Area Network. . This computer networking PDF walks you through how to build a network that supports application diversity. 1.5 Addressing and Packets Description. sized geographical area over a physical communication channel of moderate data rate.” In short, a LAN is usually a fast small network. Before we begin discussing networking with any depth, we must define some common terms that you will see throughout this guide, and in other guides and documentation regarding networking.These terms will be expanded upon in the appropriate sections that follow: 1. You take your first step toward networking and data communications exposure, and gain the practical knowledge and skills to become comfortable with basic concepts, technologies, components, and design alternatives. Introduction Support for wireless local area networks (WLANs) in corporate offices and employee’s homes is becoming a necessary activity for networking professionals, requiring new knowledge and training. 0000001441 00000 n . 0000006314 00000 n 212 0 obj<>stream 3 Network IP Address Logical Address= Metropolitan Area Network (MAN): 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). 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’. . 1. . . Introduction to Wireless LAN. LAN – Local Area Network: A network that spans a small geographic area, such as a single building or buildings close to each other.

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