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 the difference between DSM and RDD?

316

What do you mean by Persistence?

332

How to create a Sparse vector from a dense vector?

374

What are common uses of Apache Spark?

311

In a very huge text file, you want to just check if a particular keyword exists. How would you do this using Spark?

418

How is fault tolerance achieved in Apache Spark?

324

What are the benefits of lazy evaluation?

319

How does Apache Spark handles accumulated Metadata?

367

What is lazy evaluation in Spark?

331

What is the use of checkpoints in spark?

326

How can Spark be connected to Apache Mesos?

344

In how many ways RDDs can be created? Explain.

313

What are the advantages of DataSets?

309

What makes Apache Spark good at low-latency workloads like graph processing and machine learning?

344

Can you use Spark to access and analyse data stored in Cassandra databases?

392

Un-Answered Questions { Big Data }

What is the difference between sort by and order by in hive?

723

Is spark secure?

297

Why cloudera is used?

529

What do you understand by the partitions in spark?

337

What do you mean by schema on reading?

772

What is Catalyst framework?

309

What is spark sqlcontext?

315

what happens in textinformat ?

719

What are main APIs of Kafka?

687

How do we represent data in Spark?

374

How can you control the number of mappers used by the sqoop command?

In a very huge text file, you want to just check if a particular keyword exists. How would you do this using Spark?

418

Can I do insert … select * into a partitioned table?

Explain the important tools useful for big data?

606

Which files are used by the startup and shutdown commands?

784

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