NTA Lesson 2 Crossword

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Across
  1. 4. A software technology that enables you to run multiple virtual operating systems and applications on a single physical computer.
  2. 7. Technologies that consist of various methods for radio transmission in which frequencies or signal patterns are continuously changed.
  3. 8. The LAN access method used by Ethernet. Checks for network access availability with a signal.
  4. 10. A large set of frequencies capable of carrying data at higher rates (for example, 1.544 Mbps). It carries digital signals and includes DSL and cable Internetaccess.
  5. 12. A logical opening in an operating system or protocol stack that allows the transfer of information. Not the same as a TCP or UDP port.
  6. 14. A base-16 number system that allows large numbers to be displayed by fewer characters than if the number were displayed in the regular base-10 system.
  7. 15. A device that connects networks.
  8. 16. The weakening of a transmission signal as it travels farther from its source.
Down
  1. 1. The hardware address of a device connected to a network.
  2. 2. A device that transmits and receives digital or analog signals.
  3. 3. Logical subgroup within a LAN created with software instead of hardware.
  4. 5. A device that provides connectivity between at least two systems.
  5. 6. A measurement of memory needed to store one 8-bit character.
  6. 9. Space between building floors; usually contains air and heating ducts, as well as communication and electrical wires.
  7. 11. A device that forwards traffic based on MAC addresses.
  8. 13. High-capacity two-wire (signal and ground) cable; the inner wire is the primary conductor, and the metal sheath serves as the ground.
  9. 14. A device used to connect systems so that they can communicate with one another.