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Etech Interview Questions

The questions to prepare for Etech interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
Technical FundamentalsStart here. 5 questions · ~42 min
Explain OOP Concepts in .NETMedium

Evaluates ability to articulate OOP fundamentals in a .NET environment.

programming conceptsoopEEtech
Session Management in ASP.NETMedium

Assesses understanding of session handling and state management in ASP.NET.

web technologiessession managementEEtech
HTML, CSS, and JavaScript in Responsive PagesMedium

Tests knowledge of front-end fundamentals for responsive design.

javascriptcssEEtech
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2
Behavioral & Leadership27 questions · ~225 min
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3
More topics5 questions · ~42 min
Relational vs Non-Relational DatabasesEasy
Practice

Produce a structured SQL comparison of relational and non-relational database characteristics.

nosqldatabasesdatabase conceptsEEtech
Debugging Strategy for Tricky ErrorsMedium

Evaluates debugging methodology and problem isolation skills.

technical skillsProblem SolvingDebuggingEEtech
Past Project Architecture WalkthroughMedium

Assesses ability to describe system architecture and decisions.

designtechnical experienceEEtech
Design a Registration, Transaction, and Reporting ModuleMedium

Tests system design and module planning for typical business flows.

EEtech
Code Optimization for Performance and ScalabilityMedium

Assesses optimization techniques and scalability mindset.

performance optimizationscalabilityEEtech

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
Camel Banana Case StudyMedium
Practice
Practice drill

Calculate bananas remaining after each transport stage using joins, conditional trip counts, and aggregation.

Data ManipulationProblem Solvingcase studyPhonepe
SQL Problem SolvingMedium
Practice
Practice drill

Write SQL from scratch to summarize qualifying customer orders and classify spending levels.

JoinsData ManipulationProblem SolvingMicro1
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