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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
1

What are Airflow Operators? Give examples.

Cloud/Toolseasyairflowpythonsql0.5 min read
AltimetrikEYFossil GroupTech Mahindra
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2

Explain the difference between Azure Data Factory (ADF) and Databricks.

Cloud/Toolseasypythonspark0.6 min read
AccentureEYIncedo
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3

How do you handle data security and compliance in a cloud environment?

Cloud/Toolseasy0.6 min read
EPAMInfosys
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4

What are the key components of AWS Glue, and how do they work together?

Cloud/Toolshardetlspark0.6 min read
EYIncedoTech Mahindra
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5

What is Azure Data Factory (ADF), and what are its main components?

Cloud/Toolseasy0.6 min read
EYIncedoTech Mahindra
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6

What is Snowflake's architecture, and why is it unique?

Cloud/Toolshardbigqueryjoinoptimization3 min read
EYIncedoTech Mahindra
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7

What is the difference between S3 and HDFS?

Cloud/Toolshard0.6 min read
EYIncedoTech Mahindra
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8

What is the role of AWS Lambda in a data engineering pipeline?

Cloud/Toolsmediumspark0.6 min read
EYIncedoTech Mahindra
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9

What is the role of the Integration Runtime (IR) in ADF?

Cloud/Toolseasy0.7 min read
EYIncedoTech Mahindra
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10

ADF Optimization Techniques?

Cloud/Toolshardoptimizationpartitionspark0.6 min read
Deloitte
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11

Azure Fabric in Cloud Architecture?

Cloud/Toolshardjoinoptimizationpartition3.6 min read
Comcast
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12

Business generates TBs of data daily. How would you design the data pipeline in Azure?

Cloud/Toolshardjoinoptimizationpartition3.6 min read
Cognizant
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13

Data Lakehouse architecture in Azure?

Cloud/Toolshardjoinlakehouseoptimization3.6 min read
Persistent Systems
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14

Copy Large Files from On-Premises to Azure in ADF

Cloud/Toolsmediumwindow0.7 min read
Presidio
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15

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

Cloud/Toolshardbigqueryoptimizationpartition0.6 min read
Walmart
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16

Data Load in Synapse Table?

Cloud/Toolsmediumjoin0.6 min read
Deloitte
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17

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

Cloud/Toolseasyetlspark0.5 min read
EPAM
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18

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

Cloud/Toolseasyetl0.5 min read
Chryselys
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19

Design an end-to-end data pipeline using Glue, Lambda, EC2, S3, Redshift, and Athena.

Cloud/Toolshardjoinoptimizationpartition3.6 min read
Carelon
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20

Design: Migrate data from multiple sources (Hadoop, S3, Oracle DB) into a final S3 bucket

Cloud/Toolshardjoinoptimizationpartition3.6 min read
PayPal
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