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 are the features of Fully-Distributed mode?

492

What are configuration files in Hadoop?

521

What are the limitations of Hadoop?

568

Compare Hadoop 2 and Hadoop 3?

423

Explain Data Locality in Hadoop?

536

What is the problem with small files in Hadoop?

526

How is security achieved in Hadoop?

523

Why does one remove or add nodes in a Hadoop cluster frequently?

693

What is throughput in Hadoop?

534

How to restart NameNode or all the daemons in Hadoop?

542

What does jps command do in Hadoop?

651

What is fsck?

642

How to debug Hadoop code?

535

Explain Hadoop streaming?

476

What does hadoop-metrics.properties file do?

529

Un-Answered Questions { Big Data }

What are the limitations of importing RDBMS tables into Hcatalog directly?

944

In how many ways can we use Spark over Hadoop?

326

Can rdd be shared between sparkcontexts?

286

What are clusters in cassandra?

What is graph db?

What are the different Primitive Data Types available in Hive?

694

What is structured and unstructured data?

446

What do you know by storage and compute node?

689

Is it possible to change the default location of Managed Tables in Hive, if so how?

719

Explain the flatMap() transformation in Apache Spark?

310

What is the role of Driver program in Spark Application?

274

When Hive is run in embedded mode

1881

How do I clear my spark cache?

273

How to create a Sparse vector from a dense vector?

355

How does cassandra perform read operation?

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