최신Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) - HADOOP-PR000007무료샘플문제
문제1
What is the term for the process of moving map outputs to the reducers?
What is the term for the process of moving map outputs to the reducers?
정답: D
문제2
You want to Ingest log files Into HDFS, which tool would you use?
You want to Ingest log files Into HDFS, which tool would you use?
정답: A
문제3
You have written a Mapper which invokes the following five calls to the OutputColletor.collect method:
output.collect (new Text ("Apple"), new Text ("Red") ) ;
output.collect (new Text ("Banana"), new Text ("Yellow") ) ;
output.collect (new Text ("Apple"), new Text ("Yellow") ) ;
output.collect (new Text ("Cherry"), new Text ("Red") ) ;
output.collect (new Text ("Apple"), new Text ("Green") ) ;
How many times will the Reducer's reduce method be invoked?
You have written a Mapper which invokes the following five calls to the OutputColletor.collect method:
output.collect (new Text ("Apple"), new Text ("Red") ) ;
output.collect (new Text ("Banana"), new Text ("Yellow") ) ;
output.collect (new Text ("Apple"), new Text ("Yellow") ) ;
output.collect (new Text ("Cherry"), new Text ("Red") ) ;
output.collect (new Text ("Apple"), new Text ("Green") ) ;
How many times will the Reducer's reduce method be invoked?
정답: C
문제4
Which best describes what the map method accepts and emits?
Which best describes what the map method accepts and emits?
정답: D
문제5
For each input key-value pair, mappers can emit:
For each input key-value pair, mappers can emit:
정답: B
문제6
What are the TWO main components of the YARN ResourceManager process? Choose 2 answers
What are the TWO main components of the YARN ResourceManager process? Choose 2 answers
정답: A,D
문제7
Which Two of the following statements are true about hdfs? Choose 2 answers
Which Two of the following statements are true about hdfs? Choose 2 answers
정답: A,D