Open Systems Interconnection

12345678
Across
  1. 3. Maintains connections and responsible for controlling ports and sessions
  2. 5. Defines the format of data on the network
  3. 6. Transmits raw bit stream over the physical medium
  4. 7. Decides which physical path that data will take
  5. 8. TCP and UDP
Down
  1. 1. Ensures that data is in a usable format and is where data encryption occurs
  2. 2. Human-computer interaction layer
  3. 4. Transmits data using transmission protocols