Introduction資料通訊

Outline

  1. Introduction
  2. Network Models
  3. Physical layer
  4. Digital Transmission
  5. Analog Transmission
  6. Bandwidth Utilization
  7. Transmission Media
  8. Switching
  9. Data Link Layer
  10. Error Detection and Correction
  11. Data Link Control
  12. Media Access Control
  13. Wired LAN
  14. Wireless LAN

cmd 快速鍵 : Window + R 127.0.0.1 : default網卡 的 local ip

建築物是ip，裡面的門牌號碼是port。

ping

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