Chapter 2 Questions

True/False

Indicate whether the sentence or statement is true or false.

1. Access to the Internet can occur only during business hours from home computers.

2. In 1986, the National Science Foundation (NSF) connected its huge network of five supercomputer centers, called NSFnet, to ARPANET.

3. In general, the first portion of each IP address identifies the specific computer and the last portion identifies the network.

4. Like an IP address, the components of a domain name are separated by commas.

5. Many search engines use a program called a spider to build and maintain lists of words found on Web sites.

6. A news Web site contains newsworthy material including stories and articles relating to current events, life, money, sports, and the weather.

7. Using special VR (virtual reality) software, a Web developer creates a 3-D Web site that contains infinite space and depth, called a VR world.

8. Your Internet service provider supplies the domain name for an e-mail address.

9. When a user sends an e-mail message, an outgoing mail server that is operated by the user’s Internet access provider determines how to route the message through the Internet and then sends the message.

10. As a user receives an e-mail message, an incoming mail server — operated by the user’s Internet access provider — sends the messages directly to the user’s computer.

11. Internet telephony uses the Internet instead of the public switched telephone network to connect a calling party to one or more called parties.

12. Calls to other parties with the same Internet telephone service often are free.

13. According to netiquette, in e-mail, newsgroups, and chat rooms users should clearly identify a spoiler, which is a message that reveals a solution to a game or the ending to a movie or program.

14. One technique to improve Web searches is to use general nouns and put the less specific terms first in the search text.

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

15. _____ are two of the more widely accessed Internet services.

	The World Wide Web and e-mail	c.	Mailing lists and chat rooms
b.	FTP and message boards	d.	Instant messaging and newsgroups

16. Although it is an easy and inexpensive way for users to connect to the Internet, _____ is slow-speed technology.

a.	a cable modem	c.	a dial-up connection
b.	DSL	d.	ISDN

17. Search engines _____.

a.	are particularly helpful in locating pages about certain topics
b.	require that you enter search text
c.	allow you to use operators to refine a search
d.	all of the above

18. A wireless portal is a portal specifically designed for _____.

a.	desktop computers	c.	Internet-enabled mobile devices
b.	mainframe computers	d.	supercomputers

19. A business/marketing Web site _____.

a.	contains content that promotes or sells products or services
b.	offers exciting, challenging avenues for formal and informal teaching and learning
c.	contains content that describes a cause, opinion, or idea
d.	is maintained by a private individual or family who normally is not associated with any organization

20. The _____ defines a popular video compression standard.

a.	Moving Pictures Experts Group (MPEG)
b.	Advanced Research Projects Agency (ARPA)
c.	National Science Foundation (NSF)
d.	Digital Subscriber Line (DSL)

21. In an Internet e-mail address, a(n) _____ symbol separates the user name from the domain name.

a.	& (ampersand)	c.	* (asterisk)
b.	@ (at)	d.	~ (tilde)

22. _____ is a communications technology used by some outgoing mail servers.

a.	SMTP (simple mail transfer protocol)	c.	POP (post office protocol)
b.	ARPA (advanced rural postal addresses)	d.	HTML (hypertext mail link)

23. A computer that stores and distributes newsgroup messages is called a _____.

a.	news client	c.	news server
b.	newsreader	d.	newsmonger

24 . _____ is an unsolicited e-mail message or newsgroup posting sent to many recipients or newsgroups at once.

a.	An emoticon	c.	A flame
b.	Spam	d.	FAQ

25. The Internet has its roots in _____, a network that became functional in 1969, linking scientific and academic researchers across the United States.

a.	LISTSERV	c.	ARPANET
b.	NSFnet	d.	MPEG