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

Big Data Interview Questions

Questions Answers Views Company eMail

Name some independent extensions that contribute to the Ambari codebase?

1 67

How can we see all the hosts that are available in Ambari?

1 67

Explain future growth of Apache Ambari?

1 70

Can we use Ambari Python Client to use of Ambari API’s?

1 80

Which command is used to list all the tables in a database or list all the columns in a table?

1 13

Explain HCatLoader APIs?

1 13

Explain HCatInputFormat and HCatOutputFormat?

1 13

Explain HCatStorer APIs?

1 12

Explain HCatWriter?

1 12

Name all HCatalog Features?

1 12

State syntax of the command to drop an index?

1 14

Name Applications and Use Cases of HCatalog?

1 13

Which command is used to SHOW PARTITIONS lists in HCatalog?

1 10

Explain HCatReader?

1 14

What is the role of data transfer API in HCatalog?

1 12

Un-Answered Questions { Big Data }

What is meant by Transformation? Give some examples.

328

What is the latest version of ambari that is available in the present market?

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1059

Explain how RDDs work with Scala in Spark

355

Give me the examples of Columnar database ?

641

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

518

When to use explode in Hive?

803

How can I delete the above index named index_bonuspay?

777

List the advantage of Parquet file in Apache Spark?

474

How to set property in apache tajo?

Which modes can Hadoop be run in? List a few features for each mode?

517

State some DDL Command with brief Description?

What is the latest version of sqoop?

How you can contact your client everyday ?

1013

What is the function of UNION and SPLIT operators? Give examples?

578

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