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

Big Data Interview Questions

Questions Answers Views Company eMail

Can you explain bloommapfile.

1 521

Why is checkpointing important in hadoop?

1 531

What happens when two clients try to access the same file in the hdfs?

1 521

What do you know about the speculative execution?

1 518

What are the differences between hadoop 1 and hadoop 2?

1 489

Why do the nodes are removed and added frequently in a hadoop cluster?

1 532

What is a namenode?

1 456

Can hadoop handle streaming data?

1 509

What is hadoop? Name the main components of a hadoop application?

1 497

What do you know about yarn?

1 473

What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?

1 512

What is the purpose of exploding in hive?

1 733

Can you list few commonly used hive services?

1 699

What is the difference between piglatin and hiveql?

1 723

How can you transfer data from hive to hdfs?

1 780

Un-Answered Questions { Big Data }

What are the different types of tables available in Hive?

749

What is the roadmap for apache driver version one.0?

How do I set up flume agent?

104

Can We Change settings within Hive Session? If Yes, How?

840

How job tracker schedules an assignment?

478

What is the latest version of sqoop?

How can you import only a subset of rows from a table?

List the advantage of Parquet file in Apache Spark?

492

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

527

State some DDL Command with brief Description?

What is the latest version of ambari that is available in the present market?

How you can contact your client everyday ?

1018

Which modes can Hadoop be run in? List a few features for each mode?

522

Give me the examples of Columnar database ?

646

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