Top 21

Prep plan

Updated weekly · Last refresh Oct 17

SBS QA Engineer Interview Questions

The questions to prepare for a SBS QA Engineer interview. Questions from real interview reports rank first. Updated daily.

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SQL & Data ManipulationStart here. 5 questions + 1 drill · ~77 min

Second Highest Trader SalaryEasy

Practice

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSorting

SBS

SQL Joins and C++ IncludeMedium

Tests your understanding of SQL joins and C++ preprocessor usage.

Joinssqlpython

SBS

Group By vs Order ByEasy

Practice

Demonstrate how grouping produces summaries while sorting controls the order of query results.

Group Bysqldatabase querying

SBS

Second and Nth Highest ValuesMedium

Practice

Practice drill

Find the second highest distinct salary and adapt the query to retrieve any requested salary rank.

Data Manipulationsqldatabase querying

Snowflake ComputingKKGISL

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Coding10 questions · ~135 min

Understanding Destructors in C++Easy

Explain the role of destructors in C++ and their impact on resource management.

SBS

OOP Core Concepts ExplainedEasy

Explain inheritance, polymorphism, and encapsulation in OOP with Python examples and when to use each.

javaabstractionoop

SBS

Java Version DifferencesMedium

Assesses your familiarity with Java evolution and practical differences you can apply.

java

SBS

Multiplication Tables ProgramEasy

Practice

Generate a number's multiplication table from 1 through 10 using a simple loop.

logiccoding challengeBasic Algorithms

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Behavioral & Leadership6 questions · ~81 min

Staying Current in Quality EngineeringEasy

Tests continuous learning in QA and whether the candidate turns new tools or trends into measurable team impact.

self assessmentquality engineeringcontinuous learning

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The finish line: interview-readyComplete all 21 questions plus 1 hands-on drill to finish this plan.