Hadoop interview questions part 41
Hadoop interview questions part 41
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Total Questions: 20
1. The ability of Hadoop to efficiently process large volumes of data in parallel is called __________ processing.
Correct Answer is : stream
2. __________ is used for simplified Data Management in Hadoop.
Correct Answer is : Falcon
3. Point out the wrong statement :
Correct Answer is : Falcon promotes Javascript Programming
4. Falcon provides ___________ workflow for copying data from source to target.
Correct Answer is : recurring
5. A recurring workflow is used for purging expired data on __________ cluster.
Correct Answer is : Primary
6. Falcon provides the key services data processing applications need so Sophisticated________ can easily be added to Hadoop applications.
Correct Answer is : DLM
7. Falcon promotes decoupling of data set location from ___________ definition.
Correct Answer is : Oozie
8. Falcon provides seamless integration with :
Correct Answer is : metastore
9. Point out the correct statement :
Correct Answer is : Pig works with data from many sources
10. Point out the wrong statement :
Correct Answer is : Pig can invoke code in language like Java Only.
11. Pig Latin is _______ and fits very naturally in the pipeline paradigm while SQL is instead declarative.
Correct Answer is : procedural
12. In comparison to SQL, Pig uses :
Correct Answer is : All of the mentioned
13. Which of the following is an entry in jobconf ?
Correct Answer is : pig.input.dirs
14. _________ operator is used to review the schema of a relation.
Correct Answer is : DESCRIBE
15. Point out the correct statement :
Correct Answer is : You can view outer relations as well as relations defined in a nested FOREACH statement
16. Which of the following operator is used to view the map reduce execution plans ?
Correct Answer is : EXPLAIN
17. ___________ operator is used to view the step-by-step execution of a series of statements.
Correct Answer is : ILLUSTRATE
18. Point out the wrong statement :
Correct Answer is : Several new private classes make it harder for external tools such as Oozie to integrate with Pig statistics
19. __________ is a framework for collecting and storing script-level statistics for Pig Latin.
Correct Answer is : Pig Statistics
20. The ________ class mimics the behavior of the Main class but gives users a statistics object back.
Correct Answer is : PigRunner
