【多选题】

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