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

Big Data Interview Questions

Questions Answers Views Company eMail

How can we see all the clusters that are available in Ambari?

123

What are the different ways you can use to secure a cluster using Ambari?

How is recovery achieved in Ambari?

Name the three layers, Ambari supports?

State some highlights of Ambari?

What is Ambari shell?

How is Ambari different from ZooKeeper?

Why Ambari?

146

State benefits of Hadoop users by using Apache Ambari?

How to set up local repository manually?

In which language is the Ambari Shell is developed?

State some Ambari components which we can use for automation as well as integration?

102

What are the different methods to set up local repositories?

Name some best features of Ambari?

What is the process of creating an Ambari client?

Un-Answered Questions { Big Data }

Is it possible to rename the output file?

493

What is Directed Acyclic Graph in Apache Spark?

226

What is the purpose of retention period in Kafka cluster?

425

Is spark sql a database?

176

What is the benifit of Distributed cache, why can we just have the file in HDFS and have the application read it?

What is spark vs hadoop?

188

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

244

Explain what does the conf.setmapper class do?

340

Explain schemardd?

219

Mention what is the use of Context Object?

423

What is the use of recordreader in hadoop?

230

what is gossip protocol?

What is difference between rdd and dataframe?

235

What are the four features of Big Data?

273

What is a speculative execution in Apache Hadoop MapReduce?

436

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