De-identifying sensitive data in a data warehouse enables:取消识别数据仓库中的敏感数据可实现::()?
(A)Certainty of complete datasets for interrogation查询完整数据集的确定性
(B)Increased utilization without compromising data privacy在不泄露数据隐私的情况下提高利用率
(C)A bypass in the need to assess data quality绕过评估数据质量的需要
(D)A reduced complexity in the data models降低数据模型的复杂性
(E)A focus on re-identifying records with 3rd party datasets重点关注使用第三方数据集重新识别记录 答案解析: ~ P 331,从书上可知,增加数据安全的能力,将降低效率;该题难点在于“在不泄露数据隐私的情况下提高利用率”,如何达成。因除了敏感数据单独管理外,还可以用物理隔离,账号体系等诸多手段保障安全。
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