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 is the distance between two nodes defined in Hadoop?

1500

What is bucketing in Hive?

1 2129

What is speculative execution in Hadoop?

1099

How we can change Replication factor when Data is on the fly?

1388

What alternate way does HDFS provides to recover data in case a Namenode

999

What are the problems with Hadoop 1.0?

1097

what are the nodes in the Hadoop cluster?

1079

What are the differences between Hive and RDBMS?

1 2443

What Mapper does?

1037

What is your favourite tool in the hadoop ecosystem?

1015

What is the function of NodeManager?

953

Difference between SQL and HiveQL ?

1 3624

what is pig?

886

What are the steps involved in MapReduce framework?

1057

explain Metadata in Namenode?

982

Un-Answered Questions { Big Data }

What Is Difference Between Mapreduce and Pig ?

677

What is a partitioner and how the user can control which key will go to which reducer?

1011

How can we drop a table in HCatalog?

What is secondary namenode?

What do you mean by the high availability of a namenode?

Features of Kafka Stream?

556

what is "map" and what is "reducer" in Hadoop?

690

Is Hive supports Temporary Tables?

1058

State the limitations of Apache Pig?

653

Elaborate on Identifiers?

124

Big Data Engineer Can you explain what REST is?

How can you compare Hadoop and Spark in terms of ease of use?

307

How is 0xdata's h2o different from apache mahout ?

Explain the important tools useful for big data?

594

Define role of velocity in big data?

660

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