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 the term ‘Lazy Evolution’ with reference to Apache Spark

1 318

What are the benefits of Spark lazy evaluation?

1 340

State the difference between Spark SQL and Hql

1 369

Can I run Apache Spark without Hadoop?

1 304

Please explain the sparse vector in Spark.

1 306

Explain Spark Driver?

1 356

Is there any API available for implementing graphs in Spark?

1 324

Please enumerate the various components of the Spark Ecosystem.

1 428

What is the role of Spark Driver in spark applications?

1 338

Name three companies which is used Spark Streaming services

1 342

Explain the default level of parallelism in Apache Spark

1 330

Explain the process to trigger automatic clean-up in Spark to manage accumulated metadata.

1 327

Can You Use Apache Spark To Analyze and Access Data Stored In Cassandra Databases?

1 318

What is Spark SQL?

1 329

Can you explain how to minimize data transfers while working with Spark?

1 554

Un-Answered Questions { Big Data }

List the advantage of Parquet file in Apache Spark?

474

When to use explode in Hive?

803

What is the latest version of spark?

288

Explain how RDDs work with Scala in Spark

355

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

836

State some DDL Command with brief Description?

How to skip header rows from a table in Hive?

872

How do I set up flume agent?

Where does the data of a Hive table gets stored?

718

What are the different types of tables available in Hive?

745

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

What is a Hive variable? What for we use it?

854

How can I delete the above index named index_bonuspay?

777

What is the roadmap for apache mahout version 1.0?

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

1059

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