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Big Data | Hadoop Interview Questions and Answers
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Questions
Big Data | Hadoop
+1
vote
Q: What is the basic difference between traditional RDBMS and Hadoop?
answered
Jun 22, 2023
in
Big Data | Hadoop
by
rajeshsharma
#rdbms-vs-hadoop
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What are the primary phases of a Reducer in Hadoop?
answered
Jun 21, 2023
in
Big Data | Hadoop
by
sharadyadav1986
#reducer-phases
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: What is Sharding in MongoDB ?
answered
Jan 6, 2023
in
Big Data | Hadoop
by
sharadyadav1986
#mongodb-sharding
Bigdata-questions-answers
Hadoop-questions-answers
+3
votes
Q: Why do we need Hadoop for Big Data Analytics?
answered
Nov 25, 2022
in
Big Data | Hadoop
by
john ganales
big-data-analytics
hadoop
+3
votes
Q: Name the different commands for starting up and shutting down Hadoop Daemons.
answered
Nov 25, 2022
in
Big Data | Hadoop
by
john ganales
hadoop-daemons
bigdata
+2
votes
Q: What is the purpose of the JPS command in Hadoop?
answered
Nov 25, 2022
in
Big Data | Hadoop
by
john ganales
jps
hadoop
+2
votes
Q: Define and describe the term FSCK.
answered
Nov 25, 2022
in
Big Data | Hadoop
by
john ganales
fsck
bigdata
+3
votes
Q: What do you mean by commodity hardware?
answered
Nov 25, 2022
in
Big Data | Hadoop
by
john ganales
big-data
+3
votes
Q: Define HDFS and YARN, and talk about their respective components.
answered
Nov 25, 2022
in
Big Data | Hadoop
by
john ganales
hdfs
yarn
0
votes
Q: What are the most common input formats in Hadoop?
answered
Oct 29, 2022
in
Big Data | Hadoop
by
SakshiSharma
#hadoopinput-format
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
Q: A __________ represents a distributed, immutable collection of elements of type T.
answered
Oct 22, 2022
in
Big Data | Hadoop
by
DavidAnderson
hadoop-questions-answers
0
votes
Q: For Scala users, there is the __________ API, which is built on top of the Java APIs.
answered
Oct 22, 2022
in
Big Data | Hadoop
by
DavidAnderson
hadoop-questions-anwers
0
votes
Q: Big-Data, Hadoop Interview Questions and Answers
answered
Jun 11, 2022
in
Big Data | Hadoop
by
john ganales
big-data
hadoop
0
votes
Q: What is commodity hardware in Hadoop?
answered
May 22, 2022
in
Big Data | Hadoop
by
AdilsonLima
hadoop
+1
vote
Q: File system comes with the _____ engines, which consists of one job tracker, to which client applications submit MapReduce jobs.
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
file-system
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require ______ storage on hosts.
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
data-replication
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: Which of the following patforms does Hadoop run on
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
hadoop-platform
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: Big Data is generally characterised by three Vs that are stand for _____, _____ and _____.
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
bigdata-characteristics
Bigdata-questions-answers
Hadoop-questions-answers
+2
votes
Q: In Jan-2021, All India Council for Technical Education (AICTE) joined hands with which of the following to train 5 lakh students and faculty on cybersecurity?
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
cybersecurity
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: Which of the following statement is true?
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
hadoop-cluster
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: The types of Big Data are _________.
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
bigdata-types
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: In which year Apache Kafka was developed ?
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
apache-kafka
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: Which company developed Apache Kafka?
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
apache-kafka
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: There are _______ forms of Big Data.
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
big-data-forms
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: Hadoop (a big data tool) works with number of related tools. Choose from the following, the common tools included into Hadoop
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
hadoop
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: IBM and ______ have announced a major initiative to use Hadoop to support university courses in distributed computer programming
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
hadoop-support
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: What are the 7 V’s of big data?
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
7v-bigdata
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: Point out the wrong statement
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
big-data-databases
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: For what can traditional IT systems provides a foundation when they are integrated with big data technologies like
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
data-technologies
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
Q: The size of data in Big Data is of ___________ bytes.
answered
Jan 29, 2022
in
Big Data | Hadoop
by
sharadyadav1986
big-data-size
data-size
Bigdata-questions-answers
Hadoop-questions-answers
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