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

Big Data Interview Questions

Questions Answers Views Company eMail

What is the difference between hbase and hdfs?

178

Compare rdbms with hbase?

150

What is regionserver?

181

Define ttl in hbase?

168

In hbase what is column families?

176

What is decorating filters?

305

What is use of tools command?

200

Explain about hlog and wal in hbase.

312

Compare hbase & cassandra?

167

Define standalone mode in hbase?

147

Explain how does hbase actually delete a row?

171

What is the reason of using hbase?

194

Which command is used to run hbase shell?

178

Define the difference between hive and hbase?

172

Which one would you recommend for hbase table design approach – tall-narrow or flat wide?

335

Un-Answered Questions { Big Data }

Is hbase an os independent approach?

196

Why do we need Hadoop Archives? How is it created?

616

What is spark vs hadoop?

297

How to debug Hadoop code?

578

What are the different zkclientbindings?

what is Metastore in Hive?

727

What are the consistency levels for read operations in Cassandra?

105

What is the maximum recommended cell size?

178

What are the four features of Big Data?

650

What is UDF in Pig?

695

what are the basic parameters of a Mapper?

878

Why is block size large in Hadoop?

What does /var/hadoop/pids do?

1331

What are the different commands used to startup and shutdown Hadoop daemons?

593

Mention the best features of Apache Sqoop?

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