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?

277

What are the fundamental key structures of HBase?

213

What is JMX?

221

What is Nagios?

228

What is the syntax of describe Command?

316

What is the use of exists command?

248

Define Apache Pig?

692

Why Do We Need Apache Pig?

700

What is the difference between Pig and SQL?

684

Explain the architecture of Hadoop Pig?

792

What is the difference between Apache Pig and Hive?

662

What is the difference between Pig and MapReduce?

659

Explain Features of Pig?

713

What is Pig Storage?

649

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

608

Un-Answered Questions { Big Data }

What is hadoop, hbase, hive and cassandra? Specify similarities and differences among them.

132

What is a heartbeat in HDFS?

985

What is the purpose of button groups?

819

Define a worker node?

471

What are the filters are available in apache hbase?

157

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

177

Name different elements of JConsole?

Use of import command in hadoop sqoop?

how is a file of the size 1 GB uncompressed

967

If you run a select * query in hive, why does it not run mapreduce?

793

Explain how can we change the split size if our commodity hardware has less storage space?

693

Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?

493

Explain the features of stand alone (local) mode?

676

Is Apache Spark a good fit for Reinforcement learning?

310

What comes in Hadoop 2.0 and MapReduce V2 YARN

1055

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