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

Big Data Interview Questions

Questions Answers Views Company eMail

Define Thrift?

268

What are the fundamental key structures of HBase?

209

What is JMX?

219

What is Nagios?

224

What is the syntax of describe Command?

304

What is the use of exists command?

240

Define Apache Pig?

625

Why Do We Need Apache Pig?

642

What is the difference between Pig and SQL?

637

Explain the architecture of Hadoop Pig?

761

What is the difference between Apache Pig and Hive?

607

What is the difference between Pig and MapReduce?

609

Explain Features of Pig?

673

What is Pig Storage?

604

While writing evaluate UDF, which method has to be overridden?

573

Un-Answered Questions { Big Data }

What apache spark is used for?

252

Explain some important features of hadoop?

447

When should you not use Cassandra? OR When to use RDBMS instead of Cassandra?

128

What is Implicit Type conversion in Hive?

803

What is ganglia is used for in ambari?

What is sample Query in Hive?

699

What is the syntax of describe Command?

304

What is the point of apache spark?

284

What are the languages supported by apache spark?

284

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

What is the use of ycsb?

173

What is the ZooKeeper ensemble?

What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?

851

Should the region server be located on all DataNodes?

442

What is the optimal block size in HDFS?

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