Chapter 3

What is the purpose of Transmission Control Protocol/Internet Protocol (TCP/IP)?

• It maps hosts on the Internet.
• It directs a packet along a prescribed route.
• It passes information from one computer to another.
• It downloads incoming messages.

A domain name server performs which function?

• It resolves machine addresses to domain names.
• It resolves domain names to machine names.
• It resolves IP addresses to Web URLs.
• It resolves domain names to IP addresses.

A computer that communicates with a central server is called a:

• Network
• Client
• LAN
• Database

Which U.S. government agency first funded the development of the Internet?

• The Internal Revenue Service
• The Department of Commerce
• The Department of Defense
• The National Aeronautics and Space Administration

Which protocol is required for computers to communicate with each other over the Internet?

• FTP
• HTTP
• POP
• TCP/IP

Of the six elements required to connect to the Internet, which can be supplied in the form of a Web browser, e-mail program or mobile app?

• Operating system
• Client software
• Internet address
• Internet connection

What is TCP/IP?

• Direct connection to an Internet Service Provider (ISP)
• Windows, Linux/UNIX, Macintosh, etc.
• PC, smartphone, smart TV, tablet, etc.
• Protocol software used to communicate with the Internet

Six elements are required to connect to the Internet. Which one of the six required elements can be satisfied by any of several examples including PC, smartphone, smart TV or tablet?

• Operating system
• Client software
• Internet connection
• Computer

Which choice lists the two principal methods of connecting to the Internet through an Internet Service Provider (ISP)?

• Standard modem and cable modem
• ISDN connection and DSL connection
• Dial-up connection and direct connection
• World Wide Web (WWW) connection and local area network (LAN) connection

What is the least expensive way to access the Internet?

• With a Digital Subscriber Line (DSL)
• With a local area network (LAN) connection
• With phone lines, an analog modem and an ISP
• With a cable modem from the cable TV company