Enterprise Applications and Integration Questions

Covers understanding and designing an enterprise application portfolio and the approaches used to integrate systems and data across the organization. Candidates should be able to describe enterprise resource planning and customer relationship management systems, data warehouses and analytics platforms, and specialty line of business applications; explain integration approaches such as application programming interfaces, event driven messaging, and data extract transform and load processes; discuss data mapping and master data management, transaction and data consistency models, reconciliation strategies, and error handling patterns. The topic also probes trade offs between point to point integrations and mediated middleware, microservices based integration versus monolithic approaches, and cloud native integration versus on premise connectivity. Interviewers will evaluate the candidate ability to diagram an application landscape, propose integration patterns for common business flows, plan migration or modernization strategies, define service level agreements and monitoring, and address security privacy and data quality when moving information between systems.