IT246 introduction to networkS
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Transcript of IT246 introduction to networkS
IT246
INTRODUCTION TO NETWORKS
Prof. Alfred J Bird, Ph.D., [email protected]
Door Code: 52461*
Office – McCormick 3rd floor 607Office Hours – Monday and Thursday 3:00PM to 3:45PM
Assessment
Projects 30% Quizzes 30% Readings 10% Final Project 30%
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
What is a Network?
Why do we have networks?
How do you make a phonecall?
How do you make a phonecall?
Hardware connections Rules for the conversation
How do you make a phonecall?
Hardware connections (Network) Rules for the conversation (Protocols)
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)
Network Topologies
Bus Ring Star Mesh
Network Models
OSI TCP/IP
OSI Model
Seven Levels 7 – Application 6 – Presentation 5 – Session 4 – Transport 3 – Network 2 – Data Link 1 - Physical
TCP/IP Model
4 – Applications 3 – Transport 2 – Internet 1 – Network Interface
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)