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

Big Data Interview Questions

Questions Answers Views Company eMail

What are the differences between PIG and SQL?

643

Pig Features ?

612

How Apache Pig deals with the schema and schema-less data?

571

How to use 'foreach' operation in pig scripts?

564

What does a Spark Engine do?

325

Define Actions.

303

Illustrate some demerits of using Spark.

314

Define "Action" in Spark

286

List the benefits of Spark over MapReduce.

294

What is the biggest shortcoming of Spark?

317

What is a "Spark Executor"?

349

Explain the key features of Spark.

284

What is Spark Driver?

305

What do you understand by Transformations in Spark?

318

How does one create RDDs in Spark?

278

Un-Answered Questions { Big Data }

What impala use for authentication?

What is apache spark written in?

273

Why is jconsole used? What is it’s different elements?

To use Spark on an existing Hadoop Cluster, do we need to install Spark on all nodes of Hadoop?

358

Explain bucketing in Hive?

846

What does it mean by Columnar Storage Format?

301

How does broadcast join work in spark?

304

What is streaming in Hadoop?

436

What do you understand by Commit log in Cassandra?

List some benefits of apache kafka?

543

What's rdd?

284

Can MapReduce program be written in any language other than Java?

928

What is the syntax to create keyspace in Cassandra?

122

How do you do a file system check in hdfs?

Is the keyword 'DEFINE' like a function name?

952

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