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Updated weekly · Last refresh Sep 23

Idexcel Solutions Architect Interview Questions

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

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1
CodingStart here. 5 questions · ~40 min
How AWS Load Balancers WorkEasy

Tests understanding of traffic routing, health checks, and load balancing patterns in AWS.

TreesGraphsIdexcel
Key Components of AWS VPCEasy

Tests VPC fundamentals and ability to translate them into secure network architectures.

TreesGraphsIdexcel
Setting Up an RDS InstanceEasy

Tests practical knowledge of RDS configuration, networking, security, and operational readiness.

Hash TablesArraysIdexcel
EC2 vs Lambda DifferencesEasy

Tests compute selection reasoning and understanding of server-based vs event-driven architectures.

Hash TablesArraysIdexcel
Auto-Scaling Strategy in AWSEasy

Tests autoscaling concepts, triggers, and when it fits different workload patterns.

MathGreedyIdexcel
2
More topics2 questions · ~16 min
RDS and Prior ExperienceMedium

Evaluates your background and your understanding of Amazon RDS for data storage needs.

work experienceIdexcel
Monolith vs Microservices TradeoffsMedium

Tests architecture tradeoff reasoning for scalable, maintainable solutions in AWS-centric modernization projects.

EstimationTrade-offsCompetitive AnalysisIdexcel

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Group Filtering with HAVINGEasy
Practice
Practice drill

Use GROUP BY and HAVING to find NetSuite customers with at least two approved sales orders.

Group ByHavingAggregationsNetsuiteIdexcelSamsung Electronics
Second-Highest Salary Without LIMITEasy
Practice
Practice drill

Use nested aggregation subqueries to find the second-highest distinct salary without LIMIT.

Subqueriessql queryPersistent SystemsPersistentIdexcel
Database Trade-Offs for DetectionHard
Practice
Practice drill

Compare financial crime detection architectures using joined run metrics, aggregates, NULL handling, and ordered performance results.

fraud detectionTrade-offsdistributed databasesDeloitte
The finish line: interview-readyComplete all 7 questions plus 3 hands-on drills to finish this plan.