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 big data lake?

526

What is sharding in big data?

542

What is the difference between structured and unstructured big data?

573

What is metastore?

690

Is kafka a amqp?

569

Is kafka a message queue?

601

What are the advantages of kafka?

632

What is the benefit of kafka?

549

What is the difference between kafka and mq?

558

Where is kafka used?

583

What does rdd stand for?

473

Is spark used for machine learning?

301

What is difference between rdd and dataframe?

367

What is javardd?

305

Why are spark transformations lazy?

310

Un-Answered Questions { Big Data }

What is the most widely recognized info formats characterized in hadoop?

489

Explain Tombstone in Cassandra?

What are the main benefits of using cassandra?

What is difference between secondary namenode, checkpoint namenode & backupnode?

511

How is recovery achieved in Ambari?

What is Internal and External table in Hive?

762

Explain what is heartbeat in hdfs?

What is Input Split in hadoop?

1049

Can we run spark on windows?

293

What does heartbeat in hdfs means?

What are file permissions in HDFS and how HDFS check permissions for files or directory?

What happens when we submit a spark job?

326

How Spark uses Akka?

332

Do I need to know scala to learn spark?

374

What are the three characteristics of big data according to ibm?

533

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