first

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Across
  1. 1. Layer 2 address
  2. 3. Data path selection
  3. 5. Collision avoidance in wireless
  4. 7. Wired transmission media
  5. 8. Automatic routing
  6. 9. 32-bit addressing
  7. 12. Clock synchronization encoding
  8. 14. Seven-layer model
  9. 16. Personal device network
  10. 17. Large area network
  11. 18. Link-state routing protocol
  12. 19. Manual routing
  13. 22. Connection of devices
  14. 23. Local network
  15. 24. Four-layer model
Down
  1. 2. Collision detection in Ethernet
  2. 4. Wireless transmission media
  3. 6. Forwards packets based on MAC
  4. 10. One-to-one communication
  5. 11. Routes data between networks
  6. 12. City-wide network
  7. 13. Data representation
  8. 15. 128-bit addressing
  9. 20. Advantage of dynamic routing
  10. 21. Checksum-based error detection
  11. 25. Simple error detection