题目内容

查询获取 Hadoop 全部的配置信息官方网址是（）

A. http://hadoop.apache.org/docs/current/hadoopproject-dist/hadoop-common/core-default.xml
B. http://hadoop.apache.org/docs/current/hadoopproject-dist/hadoop-hdfs/hdfs-default.xml
C. http://hadoop.apache.org/docs/current/hadoopmapreduce-client/hadoop-mapreduce-clientcore/mapred-default.xml
D. http://hadoop.apache.org/docs/current/hadoopyarn/hadoop-yarn-common/yarn-default.xml

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A. yarn.resourcemanager.address
B. yarn.resourcemanager.scheduler.address
C. yarn.resourcemanager.admin.address
D. yarn.nodemanager.oux-services

A. core-site.xml
B. hdfs-site.xml
C. mapred-site.xml
D. slaves.xml

A. mapreduce.framework.name
B. mapreduce.jobhistory.address
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D. mapreduce.jobhistory.webapp.address

A. 分为映射, 映射为 Map 阶段
B. 分为减速，减速为 Reduce 阶段
C. 分为映射, 映射为 Reduce 阶段
D. 分为减速，减速为 Map 阶段