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?

299

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 }

Define durable writes?

Explain Usage of Hive?

657

Are spark dataframes immutable?

305

Is it necessary to write jobs for hadoop in the java language?

629

What is the latest version of ambari that is available in the present market?

What is a tuple?

1110

What is the method to create a data frame?

309

What is pipelined rdd?

247

What is a namenode? How many instances of namenode run on a hadoop cluster?

599

Is dataframe immutable?

469

What are the features of apache mahout?

How does fault tolerance work in mapreduce?

589

Does Hoe Spark handle monitoring and logging in Standalone mode?

265

Is fs.mapr.working.dir a single directory?

645

Can you explain clustering in mahout?

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