Test

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Across
  1. 4. Networking model used nowadays
  2. 7. Layer 6 OSI model
  3. 9. Layer 5 TCP/IP model
Down
  1. 1. Layer 3 OSI model
  2. 2. Layer 7 OSI model
  3. 3. Layer 1 OSI model
  4. 5. Layer 4 TCP/IP model
  5. 6. Layer 2 TCP/IP model
  6. 8. Layer 5 OSI model