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ServiceNow QA Engineer Interview Questions

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

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1
CodingStart here. 28 questions · ~297 min
Design an LRU CacheEasy
Practice

Implement an LRU cache in O(1) average time using a hash table and doubly linked list.

Hash TablesQueueLinked ListsServiceNow
Balanced Parentheses String ValidationEasy
Practice
Recently asked

Validate a parentheses string using a stack to ensure matching bracket types and correct nesting in O(n) time.

RecursionStackMathServiceNow
Reverse a Linked ListEasy
Practice
Recently asked

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsServiceNow
Find Two Sum IndicesEasy
Practice
Recently asked

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysSortingServiceNow
LRU Cache for Fast RetrievalMedium
Practice
Recently asked

Implement an LRU cache using a hash map and doubly linked list to support O(1) get and put operations.

Hash TablesSearchingSortingServiceNow
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2
Behavioral & Leadership20 questions · ~212 min
Bug Versus Feature DisagreementMedium
Recently asked

Tests conflict resolution and influence without authority in a QA-engineering context, especially how you use evidence to resolve ambiguity.

Conflict ResolutionStakeholder Managementbug triageServiceNow
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3
More topics2 questions · ~21 min
Test a Website's FunctionalityMedium

Assesses your test strategy and ability to structure functional testing for web applications.

TestingServiceNow
Resolving a Database BottleneckMedium

Tests your approach to performance bottlenecks and scalability thinking relevant to enterprise software.

scalingdatabaseServiceNow

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