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Networking

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created by Raju singh

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Networking

  1. 1. <ul><li> To </li></ul><ul><ul><ul><ul><li>NIIT </li></ul></ul></ul></ul><ul><li>Arera Colony Bhopal </li></ul><ul><li>Center 1 st </li></ul>Welcome Networking
  2. 2. Networking (Server) . COM2 . COM1 Receive Send Receive Send NIIT Receive Send Networking Topic :- Networking
  3. 3. Networking Index :- <ul><li>Introduction </li></ul><ul><li>Resource Sharing </li></ul><ul><li>Networking Methods </li></ul><ul><li>Local area network (LAN) </li></ul><ul><li>Hardware Required for Networking </li></ul><ul><li>Networking Topology </li></ul><ul><li>Scope in Networking </li></ul><ul><li>Need for Networking </li></ul><ul><li>History </li></ul><ul><li>Jobs in Networking </li></ul><ul><li>Application of Networking </li></ul><ul><li>Wide area network (WAN) </li></ul><ul><li>Metropolitan area network (MAN) </li></ul><ul><li>Wireless network (WLAN,WWAN ) </li></ul><ul><li>Reliability </li></ul><ul><li>Financial Benefit </li></ul><ul><li>Better Communication Medium </li></ul><ul><li>Advantage and Disadvantage of Networking </li></ul>
  4. 4. Introduction :- Definition :- Networking is the practice of linking two or more computing devices together for the purpose of sharing data . Networking
  5. 5. History :- <ul><li>In 1967 APRA proposed an idea to develop a small network of connected computer called APRANET . </li></ul><ul><li>In this network each computer was connected to a specialized computer called an Interface Message Processor (IMP) . </li></ul><ul><li>In 1969 APRANET was implemented .four computer at different geological location through the IMP S . </li></ul><ul><li>In 1980 U.S. NSF started exploring ways to enable access of their supercomputer to researchers at various college and Uni. </li></ul><ul><li>The NSF developed a network called the National Science Foundation Network (NSFNET) . </li></ul><ul><li>In 1990 Tim Berners-Lee Created the World Wide Web ( WWW ) </li></ul>Networking
  6. 6. Need for Networking :- Networking <ul><li>Resource Sharing ,aim is to make data ,program available to anyone on the network. </li></ul><ul><li>Reliability , file can be replicated on two or three machines if one them is unavailable the other can be used. </li></ul><ul><li>Financial Benefit , networking of PC is batter rather then centralized large computer . </li></ul><ul><li>Better Communication Medium , it is possible to transfer instantly any information to any other destination . </li></ul>
  7. 7. Hardware Required for Networking :- Networking <ul><li>Network cards : such as this one can transmit and receive data at high rates over various types of network cables . This card is a 'Combo' card which supports three cabling standards. </li></ul><ul><li>Network adapter : interfaces a computer board with the network medium. </li></ul><ul><li>Router : links two or more networks. </li></ul><ul><li>Hub : multi-port repeater . </li></ul><ul><li>Switches :bridging technology to forward traffic between ports. </li></ul>
  8. 8. <ul><li>Modem : A modem is a computer peripheral that allows you to connect and communicate with other computer via telephone lines . </li></ul>Modem <ul><li>There are four principal media for telecommunications </li></ul><ul><li>Coaxial Cable </li></ul><ul><li>Twisted Pair Cable </li></ul><ul><li>Optical Fiber </li></ul><ul><li>Wireless </li></ul>Networking
  9. 9. Networking Method :- Networking 1. Local Area network(LAN) 2.Wide Area Network(WAN) WAN Devices One way to categorize computer networks is by their geographic scope <ul><li>A local area network is a network that spans a relatively small space and provides services to a small number of people. </li></ul><ul><li>The first LAN was invented by a Law Doctor in 1978 . </li></ul><ul><li>A wide area network is a network where a wide variety of resources are deployed across a large domestic area or internationally </li></ul><ul><li>Example :- Internet </li></ul>
  10. 10. 3.Metropolitan Area Networks(MAN) 4.Wireless Networks (WLAN, WWAN) Networking <ul><li>A metropolitan network is a network that is too large for even the largest of LAN's but is not on the scale of a WAN . </li></ul><ul><li>Example :- City </li></ul><ul><li>A wireless network is basically the same as a LAN or a WAN but there are no wires between hosts and servers . </li></ul>Wireless
  11. 11. Networking Topology :- Networking <ul><li>The network topology defines the way in which computers, printers, and other devices are connected, physically and logically . </li></ul><ul><li>Bus </li></ul><ul><li>Star </li></ul><ul><li>Tree (hierarchical) </li></ul><ul><li>Ring </li></ul><ul><li>Mesh </li></ul><ul><li>Fully connected </li></ul><ul><li>Partially connected </li></ul>BUS STAR TREE RING
  12. 12. Application of Networking :- Networking <ul><li>E - mail Service </li></ul><ul><li>Locating sites using search engines </li></ul><ul><li>Finding People on the Net </li></ul><ul><li>Chat </li></ul><ul><li>Video Conferencing </li></ul><ul><li>E-Commerce </li></ul><ul><li>Shopping on Web </li></ul>
  13. 13. Scope in Networking :- Networking <ul><li>Networking has very broad scope as a career path . </li></ul><ul><li>Network Administrator . </li></ul><ul><li>Network (Systems) Engineer . </li></ul><ul><li>Network (Service) Technician . </li></ul><ul><li>Network Programmer/Analyst . </li></ul><ul><li>Network/Information Systems Manager . </li></ul><ul><li>CIOs were asked: Which of the following technical skill sets are most in demand within your IT department? </li></ul><ul><li>(All the execs worked for companies with more than 100 employees; they were allowed to select more than one skill. The survey was conducted in September 2008 .) </li></ul><ul><li>Network administration (LAN, WAN): 70% </li></ul><ul><li>Windows administration: 69% </li></ul><ul><li>Desktop support: 69% </li></ul><ul><li>Database management: 58% </li></ul><ul><li>Wireless network management: 47% </li></ul><ul><li>Telecommunications support: 44% </li></ul><ul><li>Web development/Website design: 42 % </li></ul><ul><li>Business intelligence/reporting services: 33% </li></ul><ul><li>.NET development: 22% </li></ul><ul><li>Linux/Unix administration: 20% </li></ul><ul><li>Java development: 17% </li></ul><ul><li>XML development: 17% </li></ul>These are good days to be a Network Administrator or a System Engineer specialist.
  14. 14. Jobs in Networking :- Networking <ul><li>2007-2008 company packages </li></ul>Starting Average Top $ 44,790 $ 65,725 $ 76,190 In Foreign Company Pay in LPA Google 13.0 Microsoft 9.0 CISCO 5.0 IBM 2.5 Infosys 3 HCL 3.3
  15. 15. Median Salary by Job in Network Administration/IT ( In India) By Experience By Employer Type By City ( In United States ) By Experience By Employer Type By Job
  16. 16. Networking of Networking :- Advantage and Disadvantage Advantage <ul><li>Speed . Networks provide a very rapid method for sharing and transferring files. </li></ul><ul><li>Centralized Software Management software can be loaded on one computer . </li></ul><ul><li>Electronic Mail . . E-mail aids in personal and professional communication . </li></ul><ul><li>Workgroup Computing software allows many users to work on a document or project concurrently </li></ul>
  17. 17. Disadvantage <ul><li>Requires Administrative Time . Proper maintenance of a network . </li></ul><ul><li>File Server May Fail when the files server &quot;goes down ,&quot; the entire network may come to a halt . </li></ul><ul><li>Cables May Break broken cable can stop the entire network . </li></ul><ul><li>Networking can be a waiting game where you have to wait it out patiently for the right opportunity or the right contact to come available . </li></ul>Networking
  18. 18. Thank You Networking Presented By Raju Singh :- Guided by: Mobile No. :-9993652310 bhopal

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