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Hadoop Interview Questions and Answers
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Questions
Hadoop
0
votes
Q: What are the features of Standalone (local) mode?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-standalone-mode
#hadoop-local-mode
0
votes
Q: What are the modes in which Hadoop run?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-run-modes
#hadoop-modes
+1
vote
Q: Hadoop Interview Questions for Freshers
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-intervieq-questions
0
votes
Q: Compare Hadoop and RDBMS?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-vs-rdbms
#rdbms-vs-hadoop
0
votes
Q: What are the Features of Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#features-of-hadoop
0
votes
Q: What are the core components of Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#components-of-hadoop
0
votes
Q: Why do we need Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#need-hadoop
#why-hadoop
0
votes
Q: What is Apache Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#apache-hadoop
#what-is-hadoop
0
votes
Q: Hadoop Interview Questions and Answers
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-interview-questions
0
votes
Q: Hadoop Interview Questions
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-interview-questions
0
votes
Q: When do you use the dfsadmin -refreshNodes and rmadmin -refreshNodes commands?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#hdfs-commands
0
votes
Q: How do you copy data from the local system onto HDFS?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#local-system-hdfs
0
votes
Q: What would happen if you store too many small files in a cluster on HDFS?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#cluster-on-hdfs
0
votes
Q: Which command will help you find the status of blocks and FileSystem health?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#filesystem-health
0
votes
Q: How can you restart NameNode and all the daemons in Hadoop?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#namenode-restart
0
votes
Q: How does rack awareness work in HDFS?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#rack-awareness
+1
vote
Q: If you have an input file of 350 MB, how many input splits would HDFS create and what would be the size of each input split?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#hdfs-file-system
0
votes
Q: What is the difference between a federation and high availability?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#federation
0
votes
Q: What are the two types of metadata that a NameNode server holds?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#metadata
#namenode-server
0
votes
Q: Explain the architecture of HDFS.
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#architecture-of-hdfs
#hdfs-architecture
0
votes
Q: Why is HDFS fault-tolerant?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#hdfs-fault-tolerance
+1
vote
Q: What are the differences between regular FileSystem and HDFS?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#filesystem-vs-hdfs
0
votes
Q: What are the three modes in which Hadoop can run?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#hadoop-run-modes
#run-modes
0
votes
Q: What are the different Hadoop configuration files?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#hadoop-configuration-files
#configuration-files
0
votes
Q: What are the different vendor-specific distributions of Hadoop?
asked
Oct 28, 2020
in
Hadoop
by
rahuljain1
#vendor-specific-distributions
+1
vote
Q: What are the features of Standalone (local) mode?
asked
Aug 5, 2020
in
Hadoop
by
Hodge
#hadoop
+1
vote
Q: What are the modes in which Hadoop run?
asked
Aug 5, 2020
in
Hadoop
by
Hodge
#hadoop
+1
vote
Q: Compare Hadoop and RDBMS?
asked
Aug 5, 2020
in
Hadoop
by
Hodge
#hadoop
+1
vote
Q: What are the Features of Hadoop?
asked
Aug 5, 2020
in
Hadoop
by
Hodge
#hadoop#hadoopfeature
+1
vote
Q: What are the core components of Hadoop?
asked
Aug 5, 2020
in
Hadoop
by
Hodge
#hadoop
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