Hadoop interview questions part 47
Hadoop interview questions part 47
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Total Questions: 20
1. Sqoop can also import the data into Hive by generating and executing a ____________ statement to define the data’s layout in Hive.
Correct Answer is : CREATE TABLE
2. The __________ tool imports a set of tables from an RDBMS to HDFS.
Correct Answer is : import-tables
3. Which of the following argument is not supported by import-all-tables tool ?
Correct Answer is : –class-name
4. ____________ is a distributed real-time computation system for processing large volumes of high-velocity data.
Correct Answer is : Storm
5. Point out the correct statement :
Correct Answer is : All of the mentioned
6. Storm integrates with __________ via Apache Slider
Correct Answer is : Compaction
7. For Apache __________ users, Storm utilizes the same ODBC interface.
Correct Answer is : Hive
8. Point out the wrong statement :
Correct Answer is : Storm is difficult and can be used with only Java
9. Storm is benchmarked as processing one million _______ byte messages per second per node
Correct Answer is : 100
10. Apache Storm added open source, stream data processing to _________ Data Platform
Correct Answer is : Hortonworks
11. How many types of nodes are present in Storm cluster ?
Correct Answer is : 3
12. __________ node distributes code across the cluster.
Correct Answer is : Nimbus
13. ____________ communicates with Nimbus through Zookeeper, starts and stops workers according to signals from Nimbus
Correct Answer is : Supervisor
14. Which of the following node is responsible for executing a Task assigned to it by the JobTracker ?
Correct Answer is : TaskTracker
15. Point out the correct statement :
Correct Answer is : MapReduce tries to place the data and the compute as close as possible
16. ___________ part of the MapReduce is responsible for processing one or more chunks of data and producing the output results.
Correct Answer is : Maptask
17. _________ function is responsible for consolidating the results produced by each of the Map() functions/tasks.
Correct Answer is : Reduce
18. Point out the wrong statement :
Correct Answer is : None of the mentioned
19. Although the Hadoop framework is implemented in Java , MapReduce applications need not be written in :
Correct Answer is : Java
20. ________ is a utility which allows users to create and run jobs with any executable as the mapper and/or the reducer.
Correct Answer is : Hadoop Streaming
