UST Data Engineer Interview Questions

The questions to prepare for a UST Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

Four Principles of OOP

Easy

Explain encapsulation, abstraction, inheritance, and polymorphism with examples and simple Java illustrations.

javaabstractionoop

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BFS vs DFS Traversal Choice

Medium

Compare BFS and DFS for graph traversal, including when shortest-path guarantees make BFS strictly preferable.

dfsbfstraversal

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Star vs Snowflake for Meta Analytics

Easy

Explain star and snowflake schemas, their tradeoffs, and when to use each in Meta-scale analytics systems.

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Understanding Common Table Expressions (CTEs)

Medium

Explain what CTEs are and their advantages in SQL queries.

CTEs

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CI/CD for Azure DevOps Models

Medium

Tests your ability to operationalize data models with automated testing and deployment.

CI/CDAutomation

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Cloud Cost and Resource Optimization

Medium

Tests your practical cloud engineering habits for cost control and efficient execution.

best practicesperformanceCloud

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