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 site-specific configuration files in Hadoop?

1143

On what basis data will be stored on a rack?

1183

How is HDFS fault tolerant?

1078

How to Administering Hadoop?

963

What are the main components of a Hadoop Application?

1086

How to resolve small file problem in hdfs?

1035

what factors the block size takes before creation?

1102

Which are the two types of 'writes' in HDFS?

1275

Explain use cases where SequenceFile class can be a good fit?

993

Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

1128

What is difference between regular file system and HDFS?

1114

What is rack-aware replica placement policy?

1071

What is Hadoop?

1 1693

Are Namenode and job tracker on the same host?

1498

What are the limitations of Hive?

1074

Un-Answered Questions { Big Data }

Explain what are the basic parameters of a mapper?

874

How the HDFS Blocks are replicated?

1015

What is the purpose of RecordReader in hadoop?

528

Can you define rdd lineage?

299

What is a partition in Hive?

958

Explain about the different channel types in Flume.

If a Replica stays out of the ISR for a long time, what does it signify?

679

What happened after creating a table in hive ?

778

Where are Hadoop’s configuration files located?

553

What is Derby database?

959

Can a table be renamed in Hive?

779

What is flume and kafka?

Explain the process of spilling in Hadoop MapReduce?

702

In Hadoop, which file controls reporting in Hadoop?

834

what are the steps involved in decommissioning removing

1077

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