A+ Essentials Chapter 22
The Internet
In this chapter, you will learn how to
• Explain how the Internet works
• Connect to the Internet
• Use Internet software tools
- 1.
Of the four Internet connection options listed below, which typically offersthe slowest connection speed?
- A.
Cable
- B.
Dial-up
- C.
DSL
- D.
Satellite
Correct Answer
B. Dial-upExplanation
Dial-up connections are robust and widely-available, but slower than the
newer connection types.Rate this question:
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- 2.
Which of the following technologies use dial-up connections? (Select allthat apply.)
- A.
Cable modem
- B.
DSL receiver
- C.
ISDN TA
- D.
Modem
Correct Answer(s)
C. ISDN TA
D. ModemExplanation
ISDN terminal adapters and traditional modems use dial-up for
connecting to the Internet.Rate this question:
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- 3.
What advantages does dial-up have over DSL?
- A.
Dial-up is faster than DSL
- B.
You can be farther than 18,000 feet from a main phone service switching center.
- C.
You can get a second phone line to use just for dial-up.
- D.
None. Dial-up has no advantages over DSL.
Correct Answer
B. You can be farther than 18,000 feet from a main phone service switching center.Explanation
DSL has a fairly short limit of 18,000 feet from a main switch, leaving
people in rural areas (in the U.S., at least) out of luck. Dial-up just requires
a phone line.Rate this question:
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- 4.
Which protocol can you use to send e-mail?
- A.
IMAP
- B.
POP3
- C.
PPP
- D.
SMTP
Correct Answer
D. SMTPExplanation
You can use SMTP to send e-mail messages.Rate this question:
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- 5.
Which protocols can you use to receive e-mail? (Select all that apply.)
- A.
IMAP
- B.
POP3
- C.
PPP
- D.
SMTP
Correct Answer(s)
A. IMAP
B. POP3Explanation
You can use either IMAP or POP3 to receive e-mail messages.Rate this question:
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- 6.
What advantage does satellite have over cable for connecting tothe Internet?
- A.
Satellite is faster than cable.
- B.
Cable degrades in stormy weather; satellite does not.
- C.
Satellite requires you to be within 18,000 feet of a central switch.
- D.
Cable is limited to areas with cable installed; satellite is not.
Correct Answer
D. Cable is limited to areas with cable installed; satellite is not.Explanation
Clearly, satellite cuts you loose from the wires!Rate this question:
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- 7.
What command often enables you to diagnose TCP/IP errors such asconnection problems?
- A.
FTP
- B.
Ping
- C.
POP3
- D.
VoIP
Correct Answer
B. PingExplanation
You can often use the ping command to diagnose TCP/IP problems.Rate this question:
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- 8.
At what layer of the OSI seven-layer model do proxy servers operate?
- A.
Layer 1—Physical
- B.
Layer 2—Data Link
- C.
Layer 6—Presentation
- D.
Layer 7—Application
Correct Answer
D. Layer 7—ApplicationExplanation
Proxy servers operate at Layer 7—the Application layer.Rate this question:
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- 9.
Which of the following programs enable you to access and work on a remotecomputer from your local computer? (Select all that apply.)
- A.
FTP
- B.
Internet Connection Sharing
- C.
Remote Desktop
- D.
Telnet
Correct Answer(s)
C. Remote Desktop
D. TelnetExplanation
Both Telnet and Remote Desktop enable you to access and work on a
remote computer. The latter is just prettier!Rate this question:
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Current Version
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Mar 22, 2023Quiz Edited by
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Oct 23, 2008Quiz Created by
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