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 Hadoop is different from other data processing tools?

645

List the configuration parameters that have to be specified when running a MapReduce job.

599

what is a sequence file in Hadoop?

676

What are the key differences between Pig vs MapReduce?

610

When is it not recommended to use MapReduce paradigm for large

641

what happens in textinformat ?

666

Explain the differences between a combiner and reducer

650

What is a TaskInstance?

661

What is the default input type in MapReduce?

660

Which directory does hadoop install to?

485

Why use hadoop?

433

What are the actions followed by hadoop?

466

What kind of hardware is best for hadoop?

418

Where are hadoop’s configuration files located and list them?

447

How jobtracker assign tasks to the tasktracker?

411

Un-Answered Questions { Big Data }

What do you understand by the term data storage?

549

What is the difference between hbase and hadoop/hdfs?

169

Can you explain clustering in mahout?

What is the use of InputFormat in MapReduce process?

650

What is azure spark?

295

List the languages supported by Apache Spark?

311

What is the maximum size of string data type supported by Hive?

782

How much data is enough to get valid outcome?

622

What is a keyspace in Cassandra?

103

What are "coordinator nodes" in cassandra?

What are the different types of filaters used in hbase?

179

Which the fundamental data structure of Spark

306

Can you define what is Event Serializer in Flume?

Does cassandra support acid tractions?

How to set mappers and reducers for Hadoop jobs?

612

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