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1-1 INTRODUCTION

Each day, computer users use their computers for browsing the Internet, sending and retrieving email, scheduling meetings, sharing files, preparing reports, exchanging images, downloading music, and checking the current prices of auction items. A network connects computers with the goal of sharing their resources. The networks around the world that are connected together form the Internet. Networking requires that computers be able to access multiple networks and share their resources. This chapter looks at the various types of computer networks that are in use today.