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

Big Data Interview Questions

Questions Answers Views Company eMail

Name the components of hdfs and yarn respectively

585

Differentiate between nas and hdfs

538

What is the connection between hadoop and big data?

509

List the common input formats used in hadoop.

520

What is the procedure to recover a namenode when it is slow?

651

What are some of the different modes used in hadoop.

494

List the five important v’s of big data.

479

How does big data help in increasing business revenue?

484

What do you understand by the term data storage?

550

What do you mean by big data and what is its importance?

512

what is the purpose of using hadoop for big data analytics?

535

what do you mean by data processing?

494

Mention what is the hadoop mapreduce apis contract for a key and value class?

684

Explain what combiners are and when you should use a combiner in a mapreduce job?

615

What is the function of mapreduce partitioner?

639

Un-Answered Questions { Big Data }

Explain HCatReader?

What are the actions followed by hadoop?

466

Kafka can be used for which kind of applications?

505

What is Safemode in Apache Hadoop?

735

Define oozie?

526

What are the features of apache mahout?

Who are ‘Data Scientists’?

415

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

769

How is it different from doing machine learning in r or sas?

What is Apache Cassandra?

Which filter accepts the page size as the parameter in HBase?

209

What do slaves consist of?

667

Explain the process of spilling in Hadoop MapReduce?

633

What purpose would an engineer use spark?

407

What does a 'MapReduce Partitioner' do?

681

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