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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain the term HCatalog?

Why HCatalog?

How to create and manage a view in HCatalog?

Explain Alter Table Statement in HCatalog?

How can we drop a table in HCatalog?

Which command do we use to insert data in HCatalog?

Explain HCatalog Architecture in Brief?

HCatalog helps to Integrate Hadoop with everything. Explain?

Explain how HCatalog enables right tool for right Job?

Explain HCatLoader and HCatStorer APIs?

Explain Drop View Statement along with syntax?

State some command line options?

Explain HCatOutputFormat?

What are the general Prerequisites to learn HCatalog?

How HCatalog helps to capture processing states to enable sharing?

Un-Answered Questions { Big Data }

How can you create topic in kafka?

511

What is a RecordReader in Hadoop MapReduce?

634

Which all languages Apache Spark supports?

317

Describe JMX?

Compare hbase vs hdfs?

Clarify Memtable?

Is there any point of learning mapreduce, then?

607

What is Reducer in Hadoop?

506

What is flume agent?

Clarify what is sqoop in hadoop?

387

how indexing in HDFS is done?

812

What are the stable versions of Hadoop?

950

How to stop a partition form being queried?

1092

Which java class handles the Input record encoding into files which store the tables in Hive?

677

Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?

552

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