COMPUTER NETWORK<br />Submitted By<br />Gaurav Gupta <br />IILM- Business School<br />MBA July 2011<br />Wednesday, July 0...
What is Computer Networking ?<br />A computer network is a collection of computers and devices interconnected by communica...
COMMUNICATION MEDIUM<br />Wednesday, July 06, 2011<br />3<br />Wired Communication Medium<br />Wireless Communication Medi...
WIRED COMMUNICATION<br />Wednesday, July 06, 2011<br />4<br />
WIRELESS TECHNOLOGIES<br />TERRESTRIAL MICROWAVE – Terrestrial microwaves use Earth-based transmitter and receiver, like B...
WIRELESS TECHNOLOGIES<br />Communications satellites --  The satellites are stationed in space, typically 35,400 km (22,20...
WIRELESS TECHNOLOGIES<br />Wireless LANs – Wireless local area network use a high-frequency radio technology similar to di...
WIRELESS TECHNOLOGIES<br />A global area network (GAN) is a network used for supporting mobile communications across an ar...
NETWORKS  CLASSIFIED BY THEIR PHYSICAL OR ORGANIZATIONAL EXTENT <br />Local area network (LAN),<br />Wide area network (WA...
VPN (Virtual Private Network)<br />Share Brokerage Firm<br />Wednesday, July 06, 2011<br />10<br />
Wednesday, July 06, 2011<br />11<br />
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Networking

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Networking

  1. 1. COMPUTER NETWORK<br />Submitted By<br />Gaurav Gupta <br />IILM- Business School<br />MBA July 2011<br />Wednesday, July 06, 2011<br />1<br />
  2. 2. What is Computer Networking ?<br />A computer network is a collection of computers and devices interconnected by communications channels(wire & wireless) <br />Purpose—To facilitate communications and allow sharing of resources and information among interconnected devices<br />Wednesday, July 06, 2011<br />2<br />
  3. 3. COMMUNICATION MEDIUM<br />Wednesday, July 06, 2011<br />3<br />Wired Communication Medium<br />Wireless Communication Medium<br />
  4. 4. WIRED COMMUNICATION<br />Wednesday, July 06, 2011<br />4<br />
  5. 5. WIRELESS TECHNOLOGIES<br />TERRESTRIAL MICROWAVE – Terrestrial microwaves use Earth-based transmitter and receiver, like BTS(Base Trans-receiver Station)<br />Wednesday, July 06, 2011<br />5<br />
  6. 6. WIRELESS TECHNOLOGIES<br />Communications satellites -- The satellites are stationed in space, typically 35,400 km (22,200 miles) (for geosynchronous satellites) above the equator. These Earth-orbiting systems are capable of receiving and relaying voice, data, and TV signals<br />Wednesday, July 06, 2011<br />6<br />
  7. 7. WIRELESS TECHNOLOGIES<br />Wireless LANs – Wireless local area network use a high-frequency radio technology similar to digital cellular<br />Wednesday, July 06, 2011<br />7<br />
  8. 8. WIRELESS TECHNOLOGIES<br />A global area network (GAN) is a network used for supporting mobile communications across an arbitrary number of wireless LANs, satellite coverage areas, etc. The key challenge in mobile communications is handing off the user communications from one local coverage area to the next<br />Wednesday, July 06, 2011<br />8<br />
  9. 9. NETWORKS CLASSIFIED BY THEIR PHYSICAL OR ORGANIZATIONAL EXTENT <br />Local area network (LAN),<br />Wide area network (WAN),<br />Metropolitan area network (MAN),<br />Personal area network (PAN),<br />Virtual private network (VPN),<br />Campus area network (CAN),<br />Storage area network (SAN),<br />Controller area network (CAN).<br />Wednesday, July 06, 2011<br />9<br />
  10. 10. VPN (Virtual Private Network)<br />Share Brokerage Firm<br />Wednesday, July 06, 2011<br />10<br />
  11. 11. Wednesday, July 06, 2011<br />11<br />

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