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Prep plan
Updated weekly · Last refresh Aug 30

PTC QA Engineer Interview Questions

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

50questions
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1
CodingStart here. 24 questions · ~220 min
Basic String and Array CodingEasy
Practice

Reverse a PTC test string, count case-insensitive letters, and swap two integers without a third variable.

SortingProgrammingAlgorithmsPTC
Prime Number Check and OptimizationHard
Practice

Determine whether a 64-bit integer is prime using deterministic Miller-Rabin modular exponentiation.

optimizationPTC
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonPTC
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2
SQL & Data Manipulation8 questions + 3 drills · ~103 min
Threads, Memory, Deadlocks, and DatabasesMedium

Evaluates systems knowledge plus database familiarity relevant to debugging and QA investigations.

memory managementprocessesPTC
Login Page Test ScenariosMedium

Evaluates test design skills and coverage for a common authentication flow.

TestingsqlPTC
Test Cases, SQL Joins, and PuzzlesMedium

Assesses practical test design plus SQL and testing-theory fundamentals.

sqlPTC
Top Customers SQL QueryEasy
Practice
Recently asked
Practice drill

Aggregate customer sales volume and return Pyramid Consulting's top 10 customers in descending order.

RankingGroup ByAggregationsPyramid ConsultingBNYCambia Health Solutions
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Monthly Campaign Performance SummaryEasy
Practice
Practice drill

Aggregate January 2024 campaign data by channel using GROUP BY, filtering, and ordering by total clicks.

JoinsData WranglingAggregationsDNVEversanaDiscord
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3
Behavioral & Leadership16 questions · ~147 min
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4
More topics2 questions · ~18 min
Test Plan and StrategyMedium

Evaluates your approach to planning testing activities and coverage.

test planningstrategyPTC
Testing Process and SDLCMedium

Evaluates your understanding of end-to-end QA lifecycle and where testing activities occur.

sdlcPTC

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