Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Why is Apache Spark faster than Apache Hadoop?

842

What are the main features and Characteristics of Hadoop which makes it the most popular and powerful Big Data tool?

489

What are the configuration files in Hadoop?

541

Compare Apache Hadoop and Apache Spark?

445

What are the different modes in which we can configure/install Hadoop?

542

Explain how Hadoop cluster hardware planning and provisioning is done?

555

How to create a user in Hadoop?

489

What are the major differences between Hadoop 2 and Hadoop 3?

480

What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?

540

How to specify more than one path for storage in Hadoop?

506

What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?

587

What is JPS? Why is it used in Hadoop?

527

What is the key difference between NameNode and DataNode in Hadoop?

489

What is Small File Problem in Hadoop? How can it be resolved?

538

Ideally what should be replication factor in a Hadoop cluster?

518

Un-Answered Questions { Big Data }

Explain about the major libraries that constitute the Spark Ecosystem?

417

How do you specify the table creator name when creating a table in hive?

692

How Cassandra stores data?

What are the applications of Apache ZooKeeper?

How HDFS client divide the file into the block while storing inside HDFS?

What is HBase HMaster?

360

What is the role of zookeeper in hbase?

185

Is hadoop the future?

652

Explain process to access sub directories recursively in hive queries.

898

Name three data source available in SparkSQL

307

Can I use impala to query data already loaded into hive and hbase?

What are the Features of Hadoop?

511

How does hdfs get a good throughput?

What is mandatory while creating a table in cassandra?

How to create database statement in apache tajo?

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