题目内容：
恢复操作前所有相关信息系统的管理员应同时到场，先备份现场系统、数据和环境，再按恢复方案的要求进行恢复。()
参考答案：
选择题：恢复操作前所有相关信息系统的管理员应同时到场,先备份现场系统、数据和环境,再按恢复方案的要
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