Data Transmission

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Across
  1. 3. A type of encryption key that is known to all user.(2 words)
  2. 4. A small part of a message/data that is transmitted over a network; after transmission all the data packets are reassembled to form the original message/data.(2 words)
  3. 7. The part of a data packet that indicates the end of the data packet and cyclic redundancy check error check.(2 words)
  4. 8. Stages in a network that can receive and transmit data packets.
  5. 9. Data that can be sent on one direction only.
  6. 10. A device that enables data packets to be moved between different networks for example to join a LAN to a WAN
Down
  1. 1. Another name for a hacker who intercepts data being transmitted on a wired or wireless network.
  2. 2. The actual data being carried in a data packet.
  3. 5. The process of making data meaningless using encryption keys; without the correct decryption key the data cannot be decoded.
  4. 6. The original text/message before it is put through an encryption algorithm.