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?

387

What are the various levels of persistence in Apache Spark?

320

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

444

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

458

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

344

Explain about the major libraries that constitute the Spark Ecosystem?

417

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

473

Is Apache Spark a good fit for Reinforcement learning?

292

Un-Answered Questions { Big Data }

Explain REPEAT function in Hive with example?

804

What is the purpose of Sqoop List Tables?

What are the three components of Cassandra write?

116

What is the default location where hive stores table data?

690

Is it possible to create multiple table in hive for same data?

691

What are types of hive built-in functions?

742

Can you use Spark for ETL process?

279

What is the difference between structured and unstructured big data?

524

Define role of variety in big data?

551

What are the hadoop's three configuration files?

696

What is document store db? Explain with an example.

Whats is distributed cache in hadoop?

678

How do we back up a hbase cluster?

138

What is application master in spark?

277

What is the optimal block size in HDFS?

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