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考试科目名称：Cloudera Certified Administrator for Apache Hadoop CDH4
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考试科目名称：Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH)
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Cloudera CCAH CCA-505
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考试科目名称：Cloudera Certified Administrator for Apache Hadoop (CCAH) CDH5 Upgrade Exam
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