其次，它无需干预就可以下载补丁，从而让系统管理员关注更加重要的任务。
Secondly, it downloads the patches without intervention, which allows the systems administrator to focus on more important tasks.
管理员应该密切注意发布了哪些安全补丁，它们是否适用于自己的系统。
Administrators should monitor which security patches have been released and whether or not they apply to their systems.
对于数百万的在线服务器，系统管理员忘记应用补丁的可能性有多大呢？
With millions of servers online, what is the probability that a system administrator forgot to apply a patch?
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