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Cohesity QA Engineer Interview Questions

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

31questions
~5htotal time
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1
CodingStart here. 10 questions · ~92 min
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersCohesity
Implement Binary Search AlgorithmEasy
Practice
Recently asked

Write a binary search function to find a target value in a sorted array.

SearchingCohesity
Debugging a Challenging BugEasy

Tests debugging approach, root-cause analysis, and communication of fixes.

Hash TablesArraysDebuggingCohesity
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2
Execution6 questions · ~55 min
Decide What to AutomateEasy

Explain how you decide which tests to automate versus keep manual, balancing risk, cost, and long-term maintenance.

Trade-offsRisk AssessmentScope ManagementCohesity
Prioritize Testing Under Severe ConstraintsMedium

Explain how you would prioritize testing when full coverage is impossible and release pressure forces explicit trade-offs.

Trade-offsRisk AssessmentScope ManagementCohesity
Handling a Critical Production BugEasy

Describe how you handled discovery, escalation, triage, and containment of a critical bug under release pressure.

Trade-offsSuccess CriteriaRisk AssessmentCohesity
Test Planning ExperienceMedium

Tests your ability to plan, scope, and structure QA activities effectively.

Success CriteriaRoadmappingRisk AssessmentCohesity
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3
Behavioral & Leadership15 questions · ~137 min
Introducing New Automation ToolsEasy

Tests ownership in selecting test automation tools, influencing adoption, and tying tooling choices to measurable QA outcomes.

CommunicationLeadershipOwnershipCohesity
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