信息系统设备安全是信息系统安全的重要内容，其中设备的 （ ） 是指设备在一定时间内不出故障的概率。
- A.完整性
- B.稳定性
- C.可靠性
- D.保密性
正确答案及解析
正确答案
解析
信息系统设备的安全是信息系统安全的首要问题。这里主要包括三个方面：（1）设备的稳定性：设备在一定时间内不出故障的概率。（2）设备的可靠性：设备能在一定时间内正常执行任务的概率。（3）设备的可用性：设备随时可以正常使用的概率。
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