OSI model

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Across
  1. 4. A layer deals with the physical connection
  2. 6. Data conversion happens in presentation layer
  3. 8. Network layer protocol
Down
  1. 1. Conceptual framework
  2. 2. Data format in data link layer
  3. 3. A network layer device
  4. 5. Application layer protocol
  5. 7. Works in physical layer