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面试官问:你知道ping命令背后发生了什么吗?
在现代网络中,命令行工具是程序员和网络管理员的必备技能,而ping命令作为最基本的网络诊断工具,果然拥有着巨大的人气。当面试官抛出“ping服务器时到底发生了什么?”这样的问题时,其实是在考验你对网络底层机制的理解。这并不仅仅是一个命令,它背后蝉联着网络的一系列交互与响应机制。
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