How To Test OSI Network Layer To Application Layer Is Work?

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How To Test OSI Network Layer To Application Layer Is Work?

這篇介紹How To Test OSI Network Layer To Application Layer Is Work?。

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$ Ping 127.0.0.1 
有正常回應代表Network layer 至 Application layer 正常運作

Ping只能測試Application layer 至 Network layer，
至於Physical layer和 Datalink layer，是網路卡的測試!