In: Computers and Technology

Submitted By mfuras
Words 3668
Pages 15

The Internet and Its Uses

After completing this chapter, you should be able to answer the following questions:

How is the Internet evolving? How do businesses and individuals use the Internet? What is the importance of standards in the continuing growth of the Internet? What is the role of an Internet service provider (ISP)? How does the hierarchical structure of the Internet allow the efficient movement of information?


What are a point of presence (POP) and an Internet Exchange Point (IXP)? What types of devices do ISPs use to provide services? What is scalability, and why is it important in the ISP network? What support teams work at an ISP, and what is their purpose?







Key Terms
This chapter uses the following key terms. You can find the definitions in the glossary. Internet page 2 page 2 Network Access Point (NAP) Tier 1 ISP Tier 2 ISP Tier 3 ISP page 9 page 9 page 9 page 9 page 7

electronic commerce (e-commerce) Request for Comments (RFC) Internet service provider (ISP) bandwidth page 4

page 3 page 4

Internet Control Message Protocol (ICMP) page 5 transport network page 12 DSL access multiplexer (DSLAM) page 7 page 7 cable modem termination system (CMTS) page 13 scalable network page 14 page 13

digital subscriber line (DSL) Metro Ethernet page 7

point of presence (POP)

Internet Exchange Point (IXP)


Working at a Small-to-Medium Business or ISP, CCNA Discovery Learning Guide

The globalization of the Internet has occurred faster than anyone could have imagined. The manner in which social, commercial, political, and personal interactions occur is rapidly changing to keep pace with the evolution of the Internet. This expansion has created a wider audience and a larger consumer base for whatever message, product, or service can be delivered. Today millions of…...

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