A+ Essentials Chapter 22
The InternetIn 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
- 2.Which of the following technologies use dial-up connections? (Select allthat apply.)
- A.
Cable modem
- B.
DSL receiver
- C.
ISDN TA
- D.
Modem
- 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.
- 4.Which protocol can you use to send e-mail?
- A.
IMAP
- B.
POP3
- C.
PPP
- D.
SMTP
- 5.Which protocols can you use to receive e-mail? (Select all that apply.)
- A.
IMAP
- B.
POP3
- C.
PPP
- D.
SMTP
- 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.
- 7.What command often enables you to diagnose TCP/IP errors such asconnection problems?
- A.
FTP
- B.
Ping
- C.
POP3
- D.
VoIP
- 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
- 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
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