CHAPTER 3 KEY TOPICS

Question 1

What are 3 common internet access links?

Answer 1

Leased Line, DSL, Cable

Question 2

What 2 internet access links are most common to home-based consumers?

Answer 2

DSL, Cable

Question 3

Define Leased line.

Answer 3

A serial communication circuit between 2 points over a physical cable, provided by a service provider for a monthly fee.

Question 4

Define Wide Area Network (WAN).

Answer 4

Part of a large network that implements mostly Layer 1 & 2 technology, typically connects sites that are far apart.

Question 5

Define Telco

Answer 5

common abbreviation for telephone company.

Question 6

Define serial interface.

Answer 6

A type of interface on a router that is used to connect some types of WAN links.

Question 7

Define HDLC.

Answer 7

High-Level Data Link Control. A bit-oriented synchronous data link layer protocol developed by the ISO.

Question 8

Define DSL.

Answer 8

Digital Subscriber Line. Public network technology that delivers high bandwidth over conventional Telco local-looped copper wiring at limited distances.

Question 9

Define cable Internet.

Answer 9

An internet access technology that uses a cable TV (CATV) cable, normally used for video, to send and receive data

Question 10

Define DSL modem.

Answer 10

A device that connects to a telephone line , using DSL standards, to transmit and receive data to / from a Telco using DSL.