Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

How would you tackle counting words in several text documents?

1022

What are the Basics of Hadoop?

930

Explain the shuffle?

916

How blocks are distributed among all data nodes for a particular chunk of data?

1090

How can I install Cloudera VM in my system?

958

How we can take Hadoop out of Safe Mode?

IBM,

855

What is Writable & WritableComparable interface?

926

What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?

1075

What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?

1032

What is HDFS block size and what did you chose in your project?

976

What is HDFS High Availability?

962

What are different types of filesystem?

1142

how can we change Replication Factor?

1019

What is Hive Present Version ?

1092

What is the purpose of Hive Driver?

1050

Un-Answered Questions { Big Data }

What are the various data sources available in SparkSQL?

333

How can I delete the above index named index_bonuspay?

731

Why aggregation cannot be done in Mapper?

560

What do you mean by Speculative execution in Apache Spark?

299

How does master slave architecture in the hadoop?

815

What is the syntax of describe Command?

304

What language is apache kafka written in?

534

Explain Spark leftOuterJoin() and rightOuterJoin() operation?

300

What is the difference between rdd and dataframe?

339

Explain about ACID transactions in Hive?

732

What is coarsegrainedexecutorbackend?

289

What is Spark Streaming?

297

What is streaming in Hadoop?

436

How to change from su to cloudera?

719

explain the key features of Apache Spark?

336

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