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?

141

What are the main key structures of hbase?

167

What is the use of hbase hmaster?

149

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

173

Explain what is wal and hlog in hbase?

312

How many operational commands in hbase?

167

why use hcolumndescriptor class?

153

What is the row key?

157

Tell me about the types of hbase operations?

175

How does hbase actually delete a row?

192

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

184

Explain why to use hbase?

157

Mention the difference between hbase and relational database?

162

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

223

Mention what are the key components of hbase?

177

Un-Answered Questions { Big Data }

What is the use of combiners in the hadoop framework?

615

What are different Hive commands available for hive and beeline CLI?

725

What are the commonalities between pig and hive?

586

Can you define a udf?

555

What is the importance of .hiverc file?

863

What is spark vs scala?

268

What do you understand by snitches?

How data or file is written into Hadoop HDFS?

What are the ways to run spark over hadoop?

312

What are the configuration parameters in the 'MapReduce' program?

670

What are the main methods of data transferring in hadoop sqoop?

What is a Record Reader in hadoop?

957

What is the advantage of hadoop over java serialization?

Explain the process of spilling in Hadoop MapReduce?

631

How much faster is Apache spark than Hadoop?

292

For More Un-Answered { Big Data } Questions Click Here