Slide 1Understanding Computers: Today and Tomorrow, 13th Edition Chapter 7: Computer Networks Slide 2 Understanding Computers: Today and Tomorrow, 13th Edition 2 Learning…

Slide 1Networks 4 Topologies and Protocols Dr John Cowell phones off (please) 1 Slide 2 Overview Network topologies ring, star, bus and mesh topologies combined topologies…

1. Chapter 4 2. Learning Objectives• What are Networks and why one needs them forbusiness applications?• What is the different kind of data communicationschannels that…

Computer Networks 2 What Is a Network? • Network: A connected system of objects or people • Computer network: A collection of computers and other hardware devices connected…

Slide 1CC111 Lec#11: Computer Networks Computer Networks Lecture 11 Reference :Understanding Computers Chapter 7 Slide 2 CC111 Lec#11: Computer Networks 2 What Is a Network?…

Slide 1 Networks, TCP/IP, and Network- Based attacks Lesson 2 Slide 2 Review Is an ROI from Security Possible?  Security as an ROI  Improved Security ROI  Security…

Slide 1 1 Computer Communication & Networks Lecture 2 Introduction to Data Communication http://web.uettaxila.edu.pk/CMS/coeCCNbsSp09/index.asp Waleed Ejaz [email protected]…

Slide 1 NETWORKING AND THE INTERNET Lectures 17,18 Dr. Adam P. Anthony Slide 2 Overview  Tuesday:  Computer Network Basics  Physical Layer of the Internet  Network…