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Interview Questions

Real questions from top companies in Cloud/Tools

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
21

Data Factory vs. Databricks: When to use which?

Cloud/Toolseasypythonspark0.3 min read
Capgemini
β†’
22

Data Lakehouse architecture in Azure?

Cloud/Toolshardjoinlakehouseoptimization3.6 min read
Persistent Systems
β†’
23

Describe AWS Glue components and their functions.

Cloud/Toolshardetlpythonspark0.3 min read
EY
β†’
24

Copy Large Files from On-Premises to Azure in ADF

Cloud/Toolsmediumwindow0.7 min read
Presidio
β†’
25

Could you describe a specific cost optimization strategy you implemented in the cloud and its results?

Cloud/Toolshardbigqueryoptimizationpartition0.6 min read
Walmart
β†’
26

Data Load in Synapse Table?

Cloud/Toolsmediumjoin0.6 min read
Deloitte
β†’
27

Describe Amazon Athena and how it interacts with S3.

Cloud/Toolsmediumetlpartition0.5 min read
Persistent Systems
β†’
28

Describe a real-world use case for using Step Functions with Lambda in a data workflow.

Cloud/Toolseasy0.5 min read
Capco
β†’
29

Describe a scenario where AWS Data Pipeline is preferred over Glue. Why?

Cloud/Toolseasyetlspark0.5 min read
EPAM
β†’
30

Describe an AWS EC2 instance and how IAM roles/policies enhance security.

Cloud/Toolseasyetl0.5 min read
Chryselys
β†’
31

Describe how Adidas could use S3 and Athena to analyze clickstream data.

Cloud/Toolshardpartition0.4 min read
Adidas
β†’
32

Describe how to secure sensitive data in cloud storage solutions.

Cloud/Toolseasyetl0.4 min read
BCG
β†’
33

Describe how to set up retries and timeout for tasks in Cloud Composer.

Cloud/Toolseasy0.3 min read
Aarete
β†’
34

Describe how you deploy code to a production environment using Jenkins

Cloud/Toolseasy0.4 min read
JP Morgan
β†’
35

Describe how you would use AWS Glue to schedule and manage Spark jobs.

Cloud/Toolseasyspark0.3 min read
EPAM
β†’
36

Describe step scaling policies vs. target tracking policies in AWS Auto Scaling.

Cloud/Toolseasy0.3 min read
Persistent Systems
β†’
37

Describe the process and use cases of implementing Azure Data Factory pipelines.

Cloud/Toolseasyetlsql0.4 min read
Fractal
β†’
38

Describe the use of side inputs in Dataflow.

Cloud/Toolsmediumjoin0.4 min read
Aarete
β†’
39

Describe using Step Functions to handle retries and error notifications.

Cloud/Toolseasy0.3 min read
Capco
β†’
40

Describe your experience with cloud platforms like AWS, Azure, or GCP

Cloud/Toolsmediumbigquerylakehousepartition0.3 min read
JIO
β†’

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