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?

148

What are the main key structures of hbase?

167

What is the use of hbase hmaster?

153

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

182

Explain what is wal and hlog in hbase?

320

How many operational commands in hbase?

171

why use hcolumndescriptor class?

153

What is the row key?

163

Tell me about the types of hbase operations?

179

How does hbase actually delete a row?

205

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

190

Explain why to use hbase?

166

Mention the difference between hbase and relational database?

172

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

227

Mention what are the key components of hbase?

181

Un-Answered Questions { Big Data }

How is NFS different from HDFS?

What is sink in flume?

Can you explain edge nodes in hadoop?

480

Explain what is Hive?

770

How can a developer utilize hive?

733

Describe Spark SQL?

361

What is Apache Avro?

What do you understand by Thrift?

Where sorting is done on mapper node or reducer node in MapReduce?

733

What is NameNode and DataNode in HDFS?

What is spark used for?

285

What is the use of MasterServer?

178

What are producer-consumer queues?

What is the need of MapReduce?

693

What are broadcast variables in Apache Spark? Why do we need them?

333

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