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 are impala architecture components?

State some impala hadoop benefits?

How apache impala works with cdh?

What are the names of daemons in impala?

How to call impala built-in functions?

What are the best features of impala?

Compare hive, hbase, and impala?

What are impala built-in functions?

Does impala support generic jdbc?

How to control access to data in impala?

Mention the best features of Apache Sqoop?

What is Sqoop?

What is the Use of Sqoop?

How many default mappers in sqoop ?

Write a quert to import a file in sqoop?

Un-Answered Questions { Big Data }

What are the various data types in presto?

Explain how RDDs work with Scala in Spark

353

Define durable writes?

What is Map() operation in Apache Spark?

383

What is a keyspace in Cassandra?

109

What is Spark SQL?

325

What is spark accreditation?

291

Explain the differences between a combiner and reducer

730

What does the “USE” command in the hive do?

745

Why do we need a new framework for handling big data?

687

What is write ahead log(journaling) in Spark?

443

What did mean by data-node?

485

Explain the steps to be followed to deploy a big data solution?

549

What is the NameNode port number?

438

how indexing in HDFS is done?

901

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