Networking Training Report(slides)

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N N N etworking in Microsoft Windows… at

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What is a Network ? A group of two or more computers connected together First network of the world : ARPANET Used for data and voice signal transfer

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First Network of world: ARPANET Stands for Advanced Research Project Agency Network Developed in 1969 for US Defence Used FTP for message transfer service

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What is Networking? Practice of linking one or two computers Done with both Hardware & Software Used for Data Centralization, Sharing CD ROM, Using high bandwidth with low bandwidth

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Components a Network Sender/Receiver Sender/Receiver Medium

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Classification of Networks

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Types of Networks Confined to small area like school One is server and others are workstations Used for data, voice transfer

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Types of Networks Connects geographical areas like cities Satellites uplinks are used Connects local network to global network

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Types of Networks Connects two or more LANs but within boundaries of city Multiple Routers, Switches are used Mostly used in Local Libraries and Govt. Agencies

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Types of Networks Connects two or more LANs Just limited to a certain geographical area like college campus

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Network Topologies

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Network Topologies Single device, at times device called dumb terminal is connected to the server Devices operates on files from server and returns them back after completing task

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Network Topologies All devices are connected to a common cable called trunk Maximum segment length of cable is 200 m Maximum of 30 devices per segment

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Network Topologies Each device is connected to a central device called hub through cable Data passes through hub before reaching destination

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Network Topologies Devices are connected in a closed loop All devices have equal access to media Device waits for its turn to transmit

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Network Topologies Used in WANs to interconnect LANs Every device is connected to every other device Use routers to determine the best path of communication

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Network Topologies Connects groups of star networks Devices are wired to root hub Root hub is connected to second level devices Lowest level devices are smaller computers

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Network Topologies Combines two or more different physical topologies Commonly Star-Bus or Star-Ring Star-Ring uses Multi-station Access Unit (MAU)

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Transmission Media

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Transmission Media Consists of solid copper core surrounded by an insulator mainly PVC Less prone to interference(internal & external)

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Transmission Media ) Shielded Cables Unshielded Cables RJ 45

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Transmission Media Consists of centre glass core surrounded by cladding Electrical signals are converted into light signals A phenomenon called as total internal reflection is used for transmission LED or laser is used to transmit signal

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Networking Devices

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Networking Devices

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IP Address Unique address of a computer Routers also have IP address Managed & created by Internet Assigned Numbers Authority IP address-32bit number(4 octet)

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How to fill IP Address ? Video in queue

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MS Windows Server 2k3 Introduced on April 2003 Used for centralized security and management Main features: DHCP Server DNS Server

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References Internet Options: www.wikipedia.org www.jetking.org www.loadevery.com Books: Computer Networks by Andrew S. Tanenbaum Data Communication and Networking by Forouzan Various e-books available

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Thank You…..

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Any queries ???

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