Top 30
Prep plan
Updated weekly · Last refresh Oct 16

Cognizant Solutions Architect Interview Questions

The questions to prepare for a Cognizant Solutions Architect interview. Questions from real interview reports rank first. Updated daily.

30questions
~5htotal time
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1
StrategyStart here. 3 questions · ~29 min
End-to-End Generative AI SolutionHard

Tests practical genAI solution design across model choice, prompting, and safety/guardrail implementation.

Business Modelsolution designgenerative aiCognizant
Cloud TCO and ROI EstimationMedium

Tests financial modeling skills for cloud modernization decisions and stakeholder communication.

Cost-Benefit AnalysisBusiness AcumenCloudCognizant
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2
Coding5 questions · ~49 min
Graph Traversal with BFS and DFSEasy
Practice

Traverse a graph from a start node using BFS and DFS, returning the visit order for each traversal.

StackQueueGraphsCognizant
Design an LRU CacheEasy
Practice

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

Hash TablesQueueLinked ListsCognizant
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3
Pipelines8 questions · ~78 min
Zero-Downtime Database MigrationsHard

Design an expand-contract migration workflow that preserves availability, compatibility, consistency, and rollback safety for a high-traffic database.

monitoringdatabaseschema evolutionCognizant
Handle PySpark Data SkewMedium

Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.

Data Qualitypysparkdata skewnessCognizant
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4
System Design5 questions · ~49 min
Enterprise Retrieval and RankingHard

Tests end-to-end IR design thinking including retrieval, ranking, and evaluation methodology.

Feature StoreRetrievalRankingCognizant
Architecture Choice for MigrationMedium

Tests architectural tradeoff thinking for Cognizant client migrations across common deployment styles.

solution designCloudmicroservicesCognizant
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5
Behavioral & Leadership9 questions · ~87 min
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