Page 2 - Handout Computer Network.

Table of Contents

CHAPTER 1 ............................................................................................................................................. 9

1. INTRODUCTION TO NETORKING ........................................................................................................ 9

1.1 Overview on Network System .................................................................................................. 10

1.2 The Fundamentals of Internet Connectivity .............................................................................. 11

1.3 Network Interface Cards ........................................................................................................... 12

1.3.1 NIC and Modem Installation .............................................................................................. 13

1.4 Overview of High-Speed and Dialup Connectivity ................................................................. 14

1.5 Testing Connectivity with Ping ................................................................................................ 14

CHAPTER 2 ....................................................................................................................................... 15

2.FUNDAMENTAL AND LAYERED NETWORK ARCHITECTURE ......................................... 15

2.1 Introduction ............................................................................................................................... 16

2.2 Networking Terminology .......................................................................................................... 16

2.3 Network Protocols ..................................................................................................................... 17

2.4 Network Based on Coverage Area ............................................................................................ 17

2.4.1 Local-Area Networks (LANs) ............................................................................................... 17

2.4.2 Wide-Area Networks (WANs) ........................................................................................... 18

2.4.3 Metropolitan-Area Networks (MANs) ................................................................................ 19

2.4.4 Specialized Networks Located Within the LAN ................................................................... 20

2.5 Virtual Private Networks .......................................................................................................... 22

2.6 Data Throughput ....................................................................................................................... 23

2.6.1 Data Transfer Calculation ................................................................................................... 24

2.7Networking Models .................................................................................................................... 24

2.7.1 Using Layers to Describe Data Communication .................................................................. 25