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?

109

What are the main key structures of hbase?

118

What is the use of hbase hmaster?

105

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

123

Explain what is wal and hlog in hbase?

211

How many operational commands in hbase?

117

why use hcolumndescriptor class?

107

What is the row key?

101

Tell me about the types of hbase operations?

115

How does hbase actually delete a row?

154

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

135

Explain why to use hbase?

108

Mention the difference between hbase and relational database?

109

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

158

Mention what are the key components of hbase?

122

Un-Answered Questions { Big Data }

Is it possible to change the default location of Managed Tables in Hive, if so how?

444

Explain what is namenode in hadoop?

239

Is spark secure?

186

what are views in Hive?

464

What is safe mode in Hadoop?

680

What is hive on spark?

228

Who invented hadoop?

412

What is pagerank?

196

Why is Hive not suitable for OLTP systems?

500

Why are Replications critical in Kafka?

311

Differentiate between the terms: node, a cluster, and data center in cassandra?

Can copper cause a spark?

183

Explain the Reducer's reduce phase?

701

How is Ambari different from ZooKeeper?

What is a tuple?

579

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