최신Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer - Apache-Hadoop-Developer무료샘플문제
문제1
Which one of the following statements describes the relationship between the ResourceManager and the ApplicationMaster?
Which one of the following statements describes the relationship between the ResourceManager and the ApplicationMaster?
정답: B
문제2
Which best describes what the map method accepts and emits?
Which best describes what the map method accepts and emits?
정답: B
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문제3
Which one of the following files is required in every Oozie Workflow application?
Which one of the following files is required in every Oozie Workflow application?
정답: D
문제4
Which YARN component is responsible for monitoring the success or failure of a Container?
Which YARN component is responsible for monitoring the success or failure of a Container?
정답: A
문제5
You use the hadoop fs -put command to write a 300 MB file using and HDFS block size of 64 MB. Just after this command has finished writing 200 MB of this file, what would another user see when trying to access this life?
You use the hadoop fs -put command to write a 300 MB file using and HDFS block size of 64 MB. Just after this command has finished writing 200 MB of this file, what would another user see when trying to access this life?
정답: B
문제6
What does the following WebHDFS command do?
Curl -1 -L "http://host:port/webhdfs/v1/foo/bar?op=OPEN"
What does the following WebHDFS command do?
Curl -1 -L "http://host:port/webhdfs/v1/foo/bar?op=OPEN"
정답: D
문제7
The Hadoop framework provides a mechanism for coping with machine issues such as faulty configuration or impending hardware failure. MapReduce detects that one or a number of machines are performing poorly and starts more copies of a map or reduce task. All the tasks run simultaneously and the task finish first are used. This is called:
The Hadoop framework provides a mechanism for coping with machine issues such as faulty configuration or impending hardware failure. MapReduce detects that one or a number of machines are performing poorly and starts more copies of a map or reduce task. All the tasks run simultaneously and the task finish first are used. This is called:
정답: A
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