Exam 6: The Internet

Since a VoIP number is not associated with a physical address, 911 systems cannot automatically direct emergency responders to your location in the event of an emergency.

P2P FTP can be accessed by logging in without a password, by using a specified user ID.

A PDA has a large enough screen to display most Internet services and Web pages at their normal size.

A domain name request is routed through your ISP to your designated domain name ____________________, which then searches through its database to find a corresponding IP address.

In the late 1990s, ____ burst onto the national scene when college students became aware of a technology called Napster that provided free access to hit songs.

Downstream speed refers to the rate at which you send data from your computer to the Internet.

Computer ____ generate massive processing power by using many off-the-shelf personal computers, which work together to achieve processing speeds that rival some of the world s top supercomputers, as with the example of the application shown in the figure above.

Cable Internet services distribute always-on broadband Internet access over the same infrastructure that offers cable television service.

A(n) ____________________ computing system is a network of diverse computers, such as PCs, Macs, workstations, and servers, in which each computer contributes processing resources to solving a single problem.

What are the advantages and disadvantages of VoIP?.

Which of the following cellular network technologies has analog voice service?

The figure above illustrates a(n) ISDN .

____________________, such as MCI, Sprint, UUNET, and AT&T, supply ISPs with access to high-speed transmission lines that form the backbone of the Internet.

Most cable companies use ____-compliant cable modems that block crossover traffic between subscribers.

A(n) ____________________ is a device that converts the signals from a computer into signals that can travel over the telephone system.

Critical Thinking questions (Multiple Choice) Which of the following is NOT a factor in the speed of hotspot access?

A voiceband modem ____ a digital signal into an analog signal that can travel over phone lines.

____ is a technology in which a broadband Internet connection is used to place telephone calls instead of the regular phone system.

Access to a(n) ____ is usually by invitation only.

Hotspot service plans are interchangeable.