Who is ultimately responsible for the security of a computer based information system within any organization?在任何机构内，哪一项是计算机信息系统安全的根本原因（）
- A、an operational issue.操作问题
- B、a management issue.管理问题
- C、a training issue.培训问题
- D、a technical issue.技术问题
正确答案:B
答案解析:有
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