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

Big Data Interview Questions

Questions Answers Views Company eMail

Types of Data Flow in Flume?

111

What are Flume core components?

What are the important steps in the configuration?

Can you define what is Event Serializer in Flume?

What are the Data extraction tools in Hadoop?

Explain data flow in Flume?

What are the similarities and differences between Apache Flume and Apache Kafka?

107

What is sink processors?

What is Purpose to Validate in Sqoop?

What is the purpose of sqoop-merge?

What is the usefulness of the options file in sqoop?

How can you control the mapping between SQL data types and Java types?

How can you control the number of mappers used by the sqoop command?

How Sqoop word came? Sqoop is which type of tool and the main use of sqoop?

What is Sqoop Import Mainframe Tool and its Purpose?

Un-Answered Questions { Big Data }

How does cassandra perform read operation?

What is shuffleing in mapreduce?

648

Explain about the common workflow of a Spark program?

339

Please enumerate the various components of the Spark Ecosystem.

395

Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?

430

How do I clear my spark cache?

273

What is the use of truncate command?

188

What file systems Spark support?

342

Can we change Replication Factor on a live cluster?

What are the relational databases supported in sqoop?

Give the data storage units in Cassandra?

Have you ever used counters in hadoop?

421

when hadoop enter in safe mode?

744

Is big data unstructured?

517

What is data skew and how do you fix it?

332

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