查询获取 Hadoop 全部的配置信息官方网址是( )
A.http://hadoop.apache.org/docs/current/hadoop- project-dist/hadoop-common/core-default.xml B.http://hadoop.apache.org/docs/current/hadoop- project-dist/hadoop-hdfs/hdfs-default.xml C.http://hadoop.apache.org/docs/current/hadoop- mapreduce-client/hadoop-mapreduce-client- core/mapred-default.xml D.http://hadoop.apache.org/docs/current/hadoop- yarn/hadoop-yarn-common/yarn-default.xml正确答案ABCD
