如何辨别防御与攻击和增强网络安全已成为网络运营商和技术管理人员、甚至普通网络用户研究的问题。

Howdistinguishes defense and attack and enhancing network security are the questions researched by network operation businessmen and technical management personnel, even ordinary network users.

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从技术上而言，美国食品与药品管理局（FDA）对宠物食品负责，确保它们要像人类食品一样，要能安全食用，如实地贴上标签，并且要在卫生的条件下被生产出来。

Technically, the U.S. Food and Drug Administration is responsible for ensuring that pet foods, like human foods, are safe to eat, truthfully labeled and produced under sanitary conditions.

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然而，网络系统安全问题不仅仅是技术的问题，而是安全策略、安全技术与安全管理的综合过程，是一项系统工程。

However, network security is not only a technical problem but also a comprehensive systems engineering of security strategy, security technology and security management.

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