Hadoop interview questions part 23
Hadoop interview questions part 23
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Total Questions: 20
1. Which of the following genres does Hadoop produce ?
Correct Answer is : Distributed file system
2. Which of the following genres does Hadoop produce ?
Correct Answer is : Distributed file system
3. What was Hadoop written in ?
Correct Answer is : Java (programming language)
4. What was Hadoop written in ?
Correct Answer is : Java (programming language)
5. Which of the following platforms does Hadoop run on ?
Correct Answer is : Cross-platform
6. Which of the following platforms does Hadoop run on ?
Correct Answer is : Cross-platform
7. Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require ________ storage on hosts.
Correct Answer is : RAID
8. Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require ________ storage on hosts.
Correct Answer is : RAID
9. Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs.
Correct Answer is : MapReduce
10. Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs.
Correct Answer is : MapReduce
11. The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations.
Correct Answer is : Machine learning
12. The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations.
Correct Answer is : Machine learning
13. Hive uses _________ for logging.
Correct Answer is : log4j
14. Point out the correct statement :
Correct Answer is : executes a Hive query and prints results to standard output
15. What does the hive.rrot.logger specified in the following statement ? $HIVE_HOME/bin/hive --hiveconf hive.root.logger=INFO,console
Correct Answer is : Log level
16. HiveServer2 introduced in Hive 0.11 has a new CLI called __________
Correct Answer is : BeeLine
17. Point out the wrong statement :
Correct Answer is : There are four namespaces for variables in Hive
18. HCatalog is installed with Hive, starting with Hive release
Correct Answer is : 0.11.0
19. hiveconf variables are set as normal by using the following statement :
Correct Answer is : none of the mentioned
20. Variable Substitution is disabled by using :
Correct Answer is : set hive.variable.substitute=false;
