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?

137

What are the main key structures of hbase?

162

What is the use of hbase hmaster?

141

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

169

Explain what is wal and hlog in hbase?

298

How many operational commands in hbase?

164

why use hcolumndescriptor class?

146

What is the row key?

153

Tell me about the types of hbase operations?

171

How does hbase actually delete a row?

188

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

179

Explain why to use hbase?

154

Mention the difference between hbase and relational database?

157

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

219

Mention what are the key components of hbase?

166

Un-Answered Questions { Big Data }

What is partitioner spark?

257

What is Mapper? How can we compress Mapper output in Hadoop?

465

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

620

Give the difference between Drop and Truncate in CQLSH?

What does meta-store means in hive?

655

What is HBase HMaster?

354

Can we run spark on windows?

268

How is the distance between two nodes defined in Hadoop?

1422

What do you mean by metadata in HDFS?

What are the various input and output types supported by mapreduce?

566

Describe Replication Factor?

What is the bottom layer of abstraction in the Spark Streaming API ?

782

What is the function of ApplicationMaster?

907

What is salting in spark?

395

Explain Apache Kafka Use Cases?

508

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