A+ Essentials Chapter 22

9 Questions | By Darren McMahon | Last updated: Dec 13, 2012 | Total Attempts: 317

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The InternetIn this chapter, you will learn how to• Explain how the Internet works• Connect to the Internet• Use Internet software tools

Questions and Answers

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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