CGI Interview Questions
The questions to prepare for CGI interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Use a hash map to find two array elements that sum to a target in O(n) time.
CGIUse GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.
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Approach for maintaining data quality and integrity across ETL pipelines.
CGICraft a concise self-introduction that highlights fit, communication style, and relevance for an Account Executive role.
CGIExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
CGIExplain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.
CGIExplain a practical approach to fine-tuning an LLM for a specific task, including data, evaluation, and hallucination risks.
CGIExplain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.
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