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?

1455

What is bucketing in Hive?

1 2066

What is speculative execution in Hadoop?

1051

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

1339

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

953

What are the problems with Hadoop 1.0?

1047

what are the nodes in the Hadoop cluster?

1045

What are the differences between Hive and RDBMS?

1 2353

What Mapper does?

984

What is your favourite tool in the hadoop ecosystem?

958

What is the function of NodeManager?

907

Difference between SQL and HiveQL ?

1 3556

what is pig?

836

What are the steps involved in MapReduce framework?

979

explain Metadata in Namenode?

917

Un-Answered Questions { Big Data }

Explain when to use explode in Hive?

702

Please explain apache kafka?

530

What is meant by streaming access?

545

How would you import data from MYSQL into HDFS ?

How does apache flume work?

132

Is apache spark an etl tool?

276

Explain coalesce operation in Apache Spark?

323

What is a tuple in pig?

545

Explain the functionalities of the nagios in ambari?

Explain what is the function of mapreduce partitioner?

638

How do I check my spark status?

276

What is the role of a MapReduce partitioner?

805

Explain what is sqoop in Hadoop ?

725

Name the components of hdfs and yarn respectively

585

Is Hive useful when making data warehouse applications?

736

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