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?

156

Mention what are the key components of hbase?

122

Un-Answered Questions { Big Data }

Explain the important tools useful for big data?

194

What is a relation in Pig?

453

What is the difference between RDBMS with Hadoop MapReduce?

490

How many ways we can create rdd in spark?

184

What is the difference between an inputsplit and a block?

312

Explain HCatOutputFormat?

What is the relationship between Hadoop, HBase, Hive and Cassandra ?

Explain about the common workflow of a Spark program?

179

What main configuration parameters are specified in mapreduce?

384

What is the role of Spark Driver in spark applications?

197

When to use explode in Hive?

461

What is Input Split in hadoop?

624

Is hadoop obsolete?

387

What is the feature that they have added in the latest release?

What is the usage of foreach operation in Pig scripts?

567

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