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 is apache spark for beginners?

302

What is deploy mode in spark?

326

What is pair rdd?

307

What is data pipeline in spark?

307

What is a spark rdd?

328

What are the optimization techniques in spark?

301

Can you run spark on windows?

306

Why is spark good?

303

Do I need to know hadoop to learn spark?

360

Is a distributed machine learning framework on top of spark?

352

How does hadoop achieve fault tolerance?

458

Is hadoop still in demand?

502

What is winutils hadoop?

471

Is hive a nosql database?

690

Is hive similar to sql?

778

Un-Answered Questions { Big Data }

Why is sqoop is used?

Can we run unix shell commands from hive? Give example?

729

Name different types of NoSQL database?

How Spark uses Akka?

332

What are the difference between of the “HDFS Block” and “Input Split”?

How to set mappers and reducers for MapReduce jobs?

682

Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?

657

Name some Complex types of Data types, Avro Supports?

Explain SHOW and DESCRIBE Commands in Hive?

798

Do streamers make money from sparks?

292

What is streaming?

736

What are the main key structures of hbase?

167

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

978

Is secondary namenode a substitute to the namenode?

728

Explain HCatalog Architecture in Brief?

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