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 challenges Of Distributed Applications?

Explain the types Of Znodes?

Explain the CLI In Zookeeper?

What is ZooKeeper quorum?

What is the model of a ZooKeeper cluster?

What must we know to work on Zookeeper well?

What do you mean by ZNode?

Explain about the different types of transformations on DStreams?

371

What are the various levels of persistence in Apache Spark?

309

How can you trigger automatic clean-ups in Spark to handle accumulated metadata?

430

What are the disadvantages of using Apache Spark over Hadoop MapReduce?

447

Is it necessary to install spark on all the nodes of a YARN cluster while running Apache Spark on YARN ?

331

Explain about the major libraries that constitute the Spark Ecosystem?

405

What do you understand by Executor Memory in a Spark application?

457

Is Apache Spark a good fit for Reinforcement learning?

284

Un-Answered Questions { Big Data }

Is it possible to overwrite Hadoop MapReduce configuration in Hive?

675

What are “Seed Nodes” in Cassandra?

294

What is winutils hadoop?

401

What is the default replication factor?

954

What are the scalar data types in Pig?

574

Is it necessary to install spark on all the nodes of a YARN cluster while running Apache Spark on YARN ?

331

How do I know if flume agent is running?

114

Explain why do we need hadoop?

625

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

614

What is a "Spark Executor"?

327

HCatalog helps to Integrate Hadoop with everything. Explain?

Is there a dual table?

what daemons run on a master node and slave nodes?

667

Name some Primitive types of Data types, Avro Supports?

How data or file is written into Hadoop HDFS?

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