OSI Basic Reference Model Puzzle

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Across
  1. 1. a format/protocol used to compress image files.
  2. 5. The OSI layer that checks for physical transmission errors and packages bits into data frames.
  3. 6. The OSI layer which formats, encodes, encrypts, and or compresses the data before sending it.
  4. 8. The OSI layer that manages the sequence and flow of events in the data.
  5. 9. The OSI layer which supplies the user with network services.
Down
  1. 2. The traditional technology used to connect devices in a LAN.
  2. 3. The OSI layer that examines the data to see if the source and destination addresses contained have been reached.
  3. 4. The OSI layer which segments and acknowledges the data to be reliable.
  4. 6. The OSI layer which transmits data through very long distances.
  5. 7. The acronym of a software intermediary that allows two applications to talk to each other.