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

Big Data Interview Questions

Questions Answers Views Company eMail

How is big data analysis helpful in increasing business revenue?

488

Can you define a combiner?

458

Can you explain the core methods of a reducer?

454

Can you define taskinstance?

481

Explain the responsibilities of a data analyst?

478

Explain how do “reducers” communicate with each other?

462

Can you define big data analytics?

482

How do big data solutions interact with the existing enterprise infrastructure?

431

What are the important tools useful for big data?

514

Can you define data lake?

462

Can you define a udf?

514

Why big data use?

511

Can you define oozie?

474

Can you explain ingestion in big data?

515

What is difference the between sqoop and distcp?

Un-Answered Questions { Big Data }

What are the features of apache mahout?

How are file systems checked in hdfs?

What can be optimum value for Reducer?

908

What happens if you alter the block size of a column family on an already occupied database?

214

What are 'slaves' and 'masters' in Hadoop?

384

Explain what is big data?

495

Can you briefly explain the apache mahout?

Where can I get sample data to try?

Describe Replication Factor?

What is the use of ZooKeeper?

224

Explain the overview of hadoop history breifly?

566

What are the ways to launch Apache Spark over YARN?

265

Why is output file name in Hadoop MapReduce part-r-00000?

576

How to keep files in HDFS?

What are the parameters used to create keyspace in cassandra?

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