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[单选题]
2.安全性是管理信息具有的基本性质，其含义是
A
重要信息内容正确无误且无遗漏
B
信息来源安全可靠且无干扰数据
C
能防止未授权用户接触和使用信息
D
合法用户可以检验信息的正确与否
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试题答案：
C
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