现代计算机网络维护管理系统主要由4个要素组成，其中（）是最为重要部分。
- A.被管理的代理
- B.网络维护管理器
- C.网络维护管理协议
- D.管理信息库
正确答案及解析
正确答案
解析
计算机网络维护管理系统主要由4个要素组成：若干被管理的代理、至少一个网络维护管理器、一种公共网络维护管理协议以及一种或多种管理信息库。其中网络维护管理协议是最重要的部分，它定义了网络维护管理器与被管理代理之间的通信方法，规定了管理信息库的存储结构、信息库中关键字的含义以及各种事件的处理方法。
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