Hefty Hardware Case Study

In: Business and Management

Submitted By samisajed
Words 2904
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Chapter 11: Voice and Data Delivery Networks

TRUE/FALSE

1. The Internet can transfer conventional data and voice data.

ANS: T PTS: 1 REF: 360

2. It wasn’t until the 1950s that POTS began carrying computer data signals as well as voice signals.

ANS: F PTS: 1 REF: 360

3. Only two wires are required to complete a telephone circuit.

ANS: T PTS: 1 REF: 360

4. A trunk has a unique telephone number associated with it.

ANS: F PTS: 1 REF: 361

5. Subscriber loops usually transmit digital signals, which require amplifiers every few kilometers.

ANS: F PTS: 1 REF: 362

6. Prior to 1984, AT&T (American Telephone and Telegraph) owned all the long-distance telephone lines in the United States.

ANS: T PTS: 1 REF: 362

7. Telephone systems were originally designed to transmit the human voice.

ANS: T PTS: 1 REF: 364

8. The more information you wish to send over a medium, the lower the frequency of the signal you need to represent that information.

ANS: F PTS: 1 REF: 365

9. When they were originally introduced many years ago, dial-up modems were capable of data transfer speeds of merely 15 to 30 bits per second.

ANS: F PTS: 1 REF: 365

10. A V.92 modem can place a data connection on hold should someone call the user’s telephone number.

ANS: T PTS: 1 REF: 368

11. An asymmetric service is useful for an Internet connection in which the bulk of the traffic comes down from the Internet to the workstation.

ANS: T PTS: 1 REF: 369

12. Most residential DSL services are symmetric.

ANS: F PTS: 1 REF: 369

13. There is only one DSL format in use today.

ANS: F PTS: 1 REF: 370

14. A cable modem is a physical device that separates the computer data from the cable television video signal.

ANS: T PTS: 1 REF: 371

15. Cable modem connections are typically symmetric.

ANS: F PTS: 1 REF: 371

16. The most popular example of a leased line service is the T-1.

ANS: T…...

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