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IT246 introduction to networkS

IT246 introduction to networkS. Prof. Alfred J Bird, Ph.D., NBCT abird@cs.umb.edu Door Code: 52461* Office – McCormick 3 r d floor 607 Office Hours – Monday and Thursday 3:00PM to 3:45PM. Assessment. Projects 30% Quizzes 30% Readings 10% Final Project 30%. Required Resources!.

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IT246 introduction to networkS

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  1. IT246introduction to networkS Prof. Alfred J Bird, Ph.D., NBCT abird@cs.umb.edu Door Code: 52461* Office – McCormick 3rd floor 607 Office Hours – Monday and Thursday 3:00PM to 3:45PM

  2. Assessment • Projects 30% • Quizzes 30% • Readings 10% • Final Project 30%

  3. Required Resources! • A Good Lab Notebook • A portable storage device (USB JumpDrive) • Networking Essentials, 3rd Edition, Jeffery Beasley, Prentice Hall, ISBN978-0-7897-4903-1

  4. What is a Network?

  5. Why do we have networks?

  6. How do you make a phonecall?

  7. How do you make a phonecall? • Hardware connections • Rules for the conversation

  8. How do you make a phonecall? • Hardware connections (Network) • Rules for the conversation (Protocols)

  9. A Network • A network (of any kind) has the same two parts: • The connection mechanism • The rules for the exchanges • In a Computer Network these are called • The hardware connections (wire, radio, light, etc.) • The rules for the data exchange (protocols)

  10. Network Topologies • Bus • Ring • Star • Mesh

  11. Network Models • OSI • TCP/IP

  12. OSI Model • Seven Levels • 7 – Application • 6 – Presentation • 5 – Session • 4 – Transport • 3 – Network • 2 – Data Link • 1 - Physical

  13. TCP/IP Model • 4 – Applications • 3 – Transport • 2 – Internet • 1 – Network Interface

  14. For Next Time • Read and Summarize (2 pages - typed) • Chapter 1 – Pages 1 -88, Computer Networks - A Tanenbaum - 5th edition (it is on the wiki)

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