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No Wires Required
by Staff
Wireless networks are easy to set up and inexpensive. They're also unobtrusive -- unless you're on the lookout for a place to use your laptop, you may not even notice when you're in a hotspot. But as you’ll find out in this quiz, there’s a lot more to them than meets the eye.

Wireless networking, or Wi-Fi, can be used to connect computers in a home, and many cities are using the technology to offer free or low-cost Internet access to residents. What's another name for Wi-Fi?

  • 801.12 networking
  • 801.22 networking
  • 802.11 networking

A wireless network uses ___ waves to transmit signals.

  • mechanical
  • radio
  • sound

What device sends and receives radio signals in a wireless network?

  • modem
  • digital translator
  • router

At what frequencies do Wi-Fi radios make transmissions?

  • 3 GHz or 8 GHz
  • 2.4 GHz or 5 GHz
  • 2 GHz or 7.3 GHz

Of the following networking standards, which is not used in Wi-Fi data transmissions?

  • 802.11g
  • 802.11q
  • 802.11b

Which networking standard is the slowest and least expensive?

  • 802.11a
  • 802.11b
  • 802.11n

Which networking standard was the first to use orthogonal frequency-division multiplexing (OFDM) as a coding technique?

  • 802.11g
  • 802.11a
  • 802.11n

Which short-range wireless standard is used for Wireless Personal Area Networks (WPANs)?

  • 802.16
  • 802.15
  • 802.13

If your laptop doesn't have a built-in wireless transmitter, you can buy a wireless adapter that plugs into all of the following except:

  • headphone jack
  • USB port
  • PC card slot

You can change the settings on your wireless router through a Web interface. One option you can change is channel. What channel do routers use by default?

  • 2
  • 7
  • 6