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Hadoop Interview Questions and Answers
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Questions
Hadoop
0
votes
Q: Point out the wrong statement. a) Replication Factor can be configured at a cluster level (Default is set to 3) and also at a file level
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-filesystem-hdfs-questions-answers
0
votes
Q: ________ NameNode is used when the Primary NameNode goes down.
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-filesystem-hdfs-questions-answers
0
votes
Q: HDFS works in a __________ fashion.
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-filesystem-hdfs-questions-answers
0
votes
Q: Point out the correct statement. a) DataNode is the slave/worker node and holds the user data in the form of Data Blocks
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-filesystem-hdfs-questions-answers
0
votes
Q: A ________ serves as the master and there is only one NameNode per cluster.
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-filesystem-hdfs-questions-answers
0
votes
Q: Hadoop has a library class, org.apache.hadoop.mapred.lib.FieldSelectionMapReduce, that effectively allows you to process text data like the unix ______ utility
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: Which of the following class is provided by the Aggregate package?
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: Which of the following class provides a subset of features provided by the Unix/GNU Sort?
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: ______________ class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadeep-questions-answers
0
votes
Q: The ________ option allows you to copy jars locally to the current working directory of tasks and automatically unjar the files. a) archives b) files c) task d) none of the mentioned
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: Point out the wrong statement. a) Hadoop has a library package called Aggregate
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: To set an environment variable in a streaming command use ____________
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: Which of the following Hadoop streaming command option parameter is required? a) output directoryname b) mapper executable c) input directoryname d) all of the mentioned
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: Point out the correct statement. a) You can specify any executable as the mapper and/or the reducer
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: Streaming supports streaming command options as well as _________ command options.
asked
Oct 23, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers-hadoop-streaming
0
votes
Q: __________ represent the logical computations of your Crunch pipelines.
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers
0
votes
Q: ___________ executes the pipeline as a series of MapReduce jobs.
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answer
0
votes
Q: Hive, Pig, and Cascading all use a _________ data model.
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers
0
votes
Q: Crunch was designed for developers who understand __________ and want to use MapReduce effectively.
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers
0
votes
Q: Point out the wrong statement. a) Crunch pipeline written by the development team sessionizes a set of user logs generates are then processed by a diverse collection of Pig scripts and Hive queries
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers
0
votes
Q: The Crunch APIs are modeled after _________ which is the library that Google uses for building data pipelines on top of their own implementation of MapReduce.
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers
0
votes
Q: Point out the correct statement. a) Scrunch’s Java API is centered around three interfaces that represent distributed datasets
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answers
0
votes
Q: The Apache Crunch Java library provides a framework for writing, testing, and running ___________ pipelines.
asked
Oct 22, 2022
in
Hadoop
by
DavidAnderson
hadoop-questions-answer
0
votes
Q: In which year Apache Mahout started?
asked
Oct 7, 2022
in
Hadoop
by
Robin
hadoop
mahout
0
votes
Q: What are the main configuration files in Hadoop?
asked
May 22, 2022
in
Hadoop
by
AdilsonLima
hadoop
0
votes
Q: Which of the following options are the characteristics of Sqoop
asked
Mar 2, 2022
in
Hadoop
by
DavidAnderson
sqoop-flume-and-oozie-interview-question-answer
0
votes
Q: Which of the following is the component of YARN?
asked
Jul 28, 2021
in
Hadoop
by
SakshiSharma
hadoop-manager
0
votes
Q: How many major component Yarn has?
asked
Jul 28, 2021
in
Hadoop
by
SakshiSharma
yarn-component
0
votes
Q: YARN is the one who helps to manage the resources across the ________.
asked
Jul 28, 2021
in
Hadoop
by
SakshiSharma
yarn-resource
0
votes
Q: What is the full form of YARN?
asked
Jul 28, 2021
in
Hadoop
by
SakshiSharma
yarn
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