A computer system, with its network of hardware, software, programmers, users, and data presents a similar challenge.
计算机系统以及它的网络硬件、软件、程序员、使用者和数据，面临同样的挑战。
The driver worked on network layer and filtered all data packets through the computer, so it could protect users" information effectively and conveniently."
由于它工作在网络层，可以对所有进出计算机的数据包进行过滤，因此可以更方便有效地保护用户信息安全。
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