Theory revision Technologies

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Across
  1. 2. general term for when a perpetrator positions himself in a conversation between a user and an application
  2. 4. it is a component within an application that controls the communication method to other devices.
  3. 6. typically a random string of bits generated specifically to scramble and unscramble data.
  4. 10. route's communications in the form of radio waves to and from users
  5. 11. This layer is the protocol layer that transfers
  6. 12. making use of computers to transfer or receive information, especially by means of the internet.
  7. 14. casual observance of an email that appears on another person's computer screen or watching what someone else is typing.
  8. 16. using radio, microwaves, etc. (as opposed to wires or cables) to transmit signals.
  9. 17. protects your network and data from breaches, intrusions and other threats.
  10. 19. the speed in which data is generated, distributed and collected.
  11. 22. tracks the dialogs between computers
  12. 23. a set of equipment used to generate and transmit electromagnetic waves carrying messages or signals, especially those of radio or television.
Down
  1. 1. a mathematical method of securely exchanging cryptographic keys over a public channel
  2. 3. a structure, series, or process, the end of which is connected to the beginning.
  3. 5. the means of transmitting a stream of raw bits over a physical data link connecting network nodes.
  4. 7. the fourth layer in the open systems interconnection (OSI) network model
  5. 8. the part of a telephone apparatus contained in the earpiece, in which electrical signals are converted into sounds.
  6. 9. a model for interprocess communication and synchronization via message passing.
  7. 13. Transmit music, conversation, pictures and data invisibly through the air, often over very large distances
  8. 15. consists of two or more computers that are linked in order to share resources
  9. 18. The OSI model describes seven layers that computer systems use to communicate over a network.
  10. 20. the lowest layer at which application programmers consider data structure and presentation
  11. 21. it makes the Internet possible by connecting different networks