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Interview Questions

Real questions from top companies

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
241

Why still looking out if you already have an offer?

Behavioraleasy1 min read
NASDAQ
β†’
242

ADF Optimization Techniques?

Cloud/Toolshardoptimizationpartitionspark0.6 min read
Deloitte
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243

Azure Fabric in Cloud Architecture?

Cloud/Toolshardjoinoptimizationpartition3.6 min read
Comcast
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244

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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245

Data Lakehouse architecture in Azure?

Cloud/Toolshardjoinlakehouseoptimization3.6 min read
Persistent Systems
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246

Copy Large Files from On-Premises to Azure in ADF

Cloud/Toolsmediumwindow0.7 min read
Presidio
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247

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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248

Data Load in Synapse Table?

Cloud/Toolsmediumjoin0.6 min read
Deloitte
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249

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

Cloud/Toolseasyetlspark0.5 min read
EPAM
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250

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

Cloud/Toolseasyetl0.5 min read
Chryselys
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251

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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252

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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253

Explain the purpose and architecture of Azure Synapse Analytics.

Cloud/Toolshardjoinoptimizationpartition3.6 min read
Fractal
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254

Explain the role of Airflow DAGs in Cloud Composer.

Cloud/Toolseasyairflowetl2 min read
Aarete
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255

Explain the role of Glue Catalog in Athena.

Cloud/Toolsmediumpartition2 min read
Capco
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256

Fabric pipelines vs. ADF pipelines

Cloud/Toolseasy2 min read
Nihilent
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257

How Airflow stores logs and the role of its backend database

Cloud/Toolseasyairflowsql2 min read
Walmart
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258

How do you copy all files from one source path to target in ADF?

Cloud/Toolseasy1 min read
Hexaware
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259

How do you handle data cleanup and lifecycle management in S3?

Cloud/Toolsmediumpartition2 min read
Moonfare
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260

How do you monitor and log data pipelines in AWS?

Cloud/Toolseasy2 min read
Freecharge
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