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 table in hbase?

208

Which method is used to access HFile directly without using HBase?

228

Which type of data HBase can store?

159

How to delete the table with the HBase shell?

153

What services run after running hbase job?

172

What is the use of truncate command?

196

Explain MemStore?

182

What is the best practice on deciding the number of column families for HBase table?

173

Which command do we use to run HBase Shell?

199

Define compaction in HBase?

168

Difference between hbase and rdbms?

181

What do you understand by compaction?

160

Does HBase support SQL like syntax?

157

What is the use of tools command?

206

Which command do we use to show the version?

164

Un-Answered Questions { Big Data }

Name the two types of shared variable available in Apache Spark?

312

When we send a data to a node, do we allow settling in time, before sending another data to that node?

534

What is the role of “ambari-qa” user?

What are the advantages of kafka?

632

Mention some use cases of apache mahout?

Define the term ‘sparse vector.’

297

What are the different clustering in mahout?

On what basis name node distribute blocks across the data nodes?

1110

What are the different zkclientbindings?

What is a mapreduce algorithm?

710

What is the method to create a data frame?

329

Explain the key features of hdfs?

What are apache tajo sql functions?

Explain about the different types of transformations on DStreams?

406

Explain when to use explode in Hive?

733

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