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

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。

youdao

It also puts forward concrete methods and ideas for building network management center and postal comprehensive networks.

对邮政综合网和网管中心的建设均提出了具体的方案和看法。

youdao

Based on comprehensive information security policy of security system, this paper studies the security of local Area network by network security technology and network security management.

基于安全系统的全面信息安全策略，从网络安全技术和网络安全管理这两个层次上研究内部网的安全性。

youdao