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 the options-process for upgrading zookeeper?

Is there an easy way to expire a session for testing?

What are producer-consumer queues?

What is a bookie in bookkeeper?

Describe how hbase uses zookeeper?

How kafka communicate with clients and servers?

520

What is log compaction?

530

Kafka has written in which languages?

537

What exactly kafka does?

473

What are consumers in kafka?

541

What does producer api in kafka?

489

What does consumer api in kafka?

507

How can you configur the log cleaner?

566

What are the core api’s of kafka?

501

How can you use streams api?

538

Un-Answered Questions { Big Data }

What is commodity hardware?

659

What are the features of Spark?

291

Does Pig support multi-line commands?

897

Where does the data of a Hive table gets stored?

668

What are the two main components of ResourceManager?

1164

Where is the output of Mapper written in Hadoop?

772

What is UDF in Pig?

654

Why Hive is not suitable for OLTP systems?

736

What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

877

What is a tuple in pig?

547

What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?

444

What is SparkSession in Apache Spark?

290

Which are the various data sources available in spark sql?

297

How much Metadata will be created on NameNode in Hadoop?

What is the role of alter keyspace?

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