Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Can you explain data versioning?

172

How will you design or modify schema in hbase programmatically?

157

What happens when you issue a delete command in hbase?

166

What is a bloom filter and how does it help in searching rows?

175

Hbase blocksize is configured on which level?

166

When would you use hbase?

178

What are the filters are available in apache hbase?

155

How do we back up a hbase cluster?

138

What are the data manipulation commands of hbase?

201

Explain data versioning?

178

While reading data from hbase, from which three places data will be reconciled before returning the value?

198

Which command is used to show the current hbase user?

192

How does bloom filter help in searching rows?

219

Explain the data model of hbase.

165

How hbase handles the write failure?

208

Un-Answered Questions { Big Data }

RLIKE in Hive?

788

How you can remove the element with a critical present in any other Rdd is Apache spark?

300

What are advantages of Spark over MapReduce?

697

Which one is the master node in HDFS? Can it be commodity hardware?

How data or file is written into HDFS?

Explain what is storage and compute nodes?

512

Does Pig differ from MapReduce? If yes, how?

595

what are the key components of hbase?

173

Specify some uses of HBase?

191

Explain the operation reduce() in Spark?

288

What are channel selectors?

1029

Explain ALTER Table statement in Hive?

709

What is cluster mode in spark?

319

What are Prerequisites to learn Avro?

Is it possible to get the message offset after producing?

585

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