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

Big Data Interview Questions

Questions Answers Views Company eMail

Compare MapReduce and Spark?

287

Can MapReduce program be written in any language other than Java?

928

How to set which framework would be used to run mapreduce program?

684

List out Hadoop's three configuration files?

603

Mention Hadoop core components?

657

What is RecordReader in a Map Reduce?

644

Define Writable data types in MapReduce?

675

What happens when a DataNode fails during the write process?

639

Compare RDBMS with Hadoop MapReduce.

631

what is a Task Tracker in Hadoop?

700

what are the most common input formats defined in Hadoop?

643

what daemons run on a master node and slave nodes?

701

What is Text Input Format?

674

what is WebDAV in Hadoop?

731

What platform and Java version is required to run Hadoop?

641

Un-Answered Questions { Big Data }

What is the role of zookeeper in hbase?

185

How does executor work in spark?

313

How can you configur the log cleaner?

566

What is keyspace in Cassandra?

Explain Apache Kafka Use Cases?

542

How many ways can you create rdd in spark?

332

What is Hive Present Version ?

1092

What are the advantages of using map side join in mapreduce?

646

How can we look for the namenode in the browser?

717

Explain about the data model operations in HBase?

148

What is fluming?

161

Can MapReduce program be written in any language other than Java?

928

What is a parquet file?

284

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

What is a nosql database?

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