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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain deletion in hbase? Mention what are the three types of tombstone markers in hbase?

139

What are the main key structures of hbase?

165

What is the use of hbase hmaster?

144

Which technique can you use in hbase to access hfile directly without the help of hbase?

171

Explain what is wal and hlog in hbase?

300

How many operational commands in hbase?

167

why use hcolumndescriptor class?

149

What is the row key?

155

Tell me about the types of hbase operations?

173

How does hbase actually delete a row?

190

Name the filter which accepts the page size as the parameter in hbase?

182

Explain why to use hbase?

157

Mention the difference between hbase and relational database?

160

Mention what are the three types of tombstone markers in hbase?

219

Mention what are the key components of hbase?

173

Un-Answered Questions { Big Data }

Explain how it is different from the other original tables?

What is Apache Spark Streaming?

315

What are shared variables?

318

What is presto?

What is the function of ApplicationMaster?

915

What are the methods to set up the local repository in different methods?

What is flatmap in apache spark?

312

How HCatalog helps to capture processing states to enable sharing?

What are the four modules that make up the Apache Hadoop framework?

527

how Cassandra delete Data?

108

How to create an rdd?

286

How do you deal with sparse data?

what are the three modes in which Hadoop can be run?

591

How to create custom key and custom value in MapReduce Job?

572

What is the difference between traditional RDBMS and Hadoop?

1136

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