D4T4

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Across
  1. 3. a type of encryption key which is known only to the single computer user
  2. 6. can be sent in both direction at the same time
  3. 8. a horizontal and vertical parity check of a data being transmitted
  4. 9. can be sent on one direction
  5. 10. can be sent in both direction but not at the same time
Down
  1. 1. the original text message bfore it is put through an encryption algorithm
  2. 2. data that arrives with the bits n longer synchronized
  3. 4. a type of encryption key that is known to all users
  4. 5. encrypted data that is the result of putting a plaintext message through an encryption algorithm
  5. 7. the actual data being carried in a packet