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 JobTracker in Hadoop? What are the actions followed by Hadoop?

524

Is it possible to split 100 lines of input as a single split in MapReduce?

590

What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

614

Is it possible to rename the output file?

496

how JobTracker schedules a task ?

541

what is NameNode in Hadoop?

546

what does the conf.setMapper Class do ?

536

how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

463

What is SequenceFileInputFormat?

531

What is a "map" in Hadoop?

503

What is a "reducer" in Hadoop?

536

what is Speculative Execution?

532

Explain JobConf in MapReduce.

522

What is OutputCommitter?

510

How is reporting controlled in hadoop?

468

Un-Answered Questions { Big Data }

What is sparkcontext in spark?

182

State benefits of Hadoop users by using Apache Ambari?

Define fault tolerance?

397

What is a local repository and when it is useful while using ambari environment?

List few differences between apache kafka and rabbitmq?

303

What causes sparks?

188

Give any two features of flume?

How is big data analysis helpful in increasing business revenue?

217

Can you give some examples of Big Data?

269

What is non-dfs used in hdfs web console

Explain about the indexing process in hdfs?

What is the difference between an RDBMS and Hadoop?

412

Explain HBase Architecture in brief?

118

Would you be able to change the block size of hdfs files?

How to set mappers and reducers for MapReduce jobs?

376

For More Un-Answered { Big Data } Questions Click Here