/ :

World ISP (WAN)Resional ISP Local ISP T1 Line LAN Business Home PCCable Modem Line

? Net Work Topology ?

? International Network . - ?-

www.educationboard.gov.bd www.Googole.comwww.Yahoo.comMozilla FireFoxInternet Explorerwww.Download Helper www.educationboard.gov.bd

Web Search E-mail

* - * - 3 * - 4 * - 5,6 * - * -

Subjective Warm up.

*Warm up & Idea of Local Area Net Work.

*Idea of Wide Area Net Work.*Introduction to lesson*Meaning of Internet & E-mail.*Symbolic idea and how to search a web . *Idea: How to use Yahoo.com & Google.com*Group work*Home task.*Introduce of all slide. *Another group work*Another home task*