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

Big Data Interview Questions

Questions Answers Views Company eMail

Define column families?

1 187

Which code is used to open a connection in hbase?

1 273

What is the role of the offset.

1 560

What is the role of the kafka producer api.

1 589

Explain the main difference between kafka and flume?

1 659

Explain what is kafka?

1 581

Explain what is the role of the zookeeper?

1 540

What are the various components in kafka.

1 616

Explain the process for starting a kafka server?

1 568

Define partitioning key?

1 538

Explain what is a consumer group?

1 598

Explain why are replications critical in kafka?

1 553

Mention what is data cleansing?

1 501

What is a udf?

1 512

What is a record reader?

1 463

Un-Answered Questions { Big Data }

What is the latest version of spark?

288

List the advantage of Parquet file in Apache Spark?

474

How can I delete the above index named index_bonuspay?

777

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

What is the function of UNION and SPLIT operators? Give examples?

578

When to choose "External Table" in Hive?

847

When we are using queries instead of scripting?

778

What is the latest version of sqoop?

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

836

Where does the data of a Hive table gets stored?

718

How you can contact your client everyday ?

1013

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

517

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1059

What are the different types of tables available in Hive?

745

What is the stable version of Hive ?

2673

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