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.
What device sends and receives radio signals in a wireless network?
- digital translator
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?
Which networking standard is the slowest and least expensive?
Which networking standard was the first to use orthogonal frequency-division multiplexing (OFDM) as a coding technique?
Which short-range wireless standard is used for Wireless Personal Area Networks (WPANs)?
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?