Network security is a system concept, effective security strategy or program development, is the primary objective of network information security.
网络安全是一个系统的概念，有效的安全策略或方案的制定，是网络信息安全的首要目标。
Network system data backup is an important part of information system data security.
网络系统数据备份是保证信息系统数据安全的重要组成部分。
Network system data backup is an important part of information system data security.
网络系统数据备份是保证信息系统数据安全的重要组成部分。
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