Chapter 4 Class Exercise

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Across
  1. 2. A wireless local area network that enables portable computing devices to connect easily to the Internet.
  2. 5. Wireless networks may choose to utilize some of the various encryption technologies available
  3. 6. Allows drivers of cars and trucks, captains of boats and ships, and pilots of aircraft to ascertain their location anywhere on earth.
  4. 7. Users can access the internet even outside their normal work environment.
  5. 8. A term used to describe telecommunications in which electromagnetic waves (rather than some form of wire) carry the signal over part or all of the communication path.
  6. 10. code The first wireless transmitters went on the air in the early 20th century using radiotelegraphy.
Down
  1. 1. To feature a small group of devices all in very close proximity to each other
  2. 3. Mode network requires the use of an Access Point
  3. 4. Acknowledgement (ACK) frame,Request to Send (RTS) frame, Clear to Send (CTS) frame was included in ______________ frame.
  4. 9. A set of media access control (MAC) and physical layer (PHY) specifications for implementing wireless local area network (WLAN) computer communication