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

Big Data Interview Questions

Questions Answers Views Company eMail

How much space will the split occupy in Mapreduce?

672

What is a RecordReader in Hadoop MapReduce?

676

What is the difference between HDFS block and input split?

887

How to write MapReduce Programs?

714

What is Apache Hive?

826

What kind of applications is supported by Apache Hive?

812

How can you configure remote metastore mode in Hive?

829

What is indexing and why do we need it?

825

What is the use of Hcatalog?

938

Where is table data stored in Apache Hive by default?

809

What is ObjectInspector functionality?

825

Explain about the different types of join in Hive?

819

What is Apache HBase?

267

What is HBaseFsck class?

259

What is REST?

247

Un-Answered Questions { Big Data }

How hdfs is different from traditional file systems?

Explain about the scalar datatypes in Apache Pig?

896

What are some of the different modes used in hadoop.

494

What is a table generating function on hive?

714

What is the no. Of threads created by impala?

On which hosts does impala run?

What is big data or hooda?

533

What is the difference between spark and apache spark?

320

What is different table structure available in the hive?

659

What do you understand by Commit log in Cassandra?

What is a spark standalone cluster?

248

Explain the format of an apache kafka message?

480

What are the relational operators available related to loading and storing in pig language?

630

What is sqoop and flume?

State the usage of 'filters', 'group' , 'orderBy', 'distinct' keywords in pig scripts?

661

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