How would you design a microservice architecture to handle high traffic with fault-tolerance and message reliability? Follow-up: How would you integrate Red Hat AMQ into this system for inter-service communication? Explain how Apache Camel implements Enterprise Integration Patterns (EIPs). Can you describe a real-world example where you used Content-Based Routing? In a payment system, how would you ensure message idempotency and avoid duplicate transactions when using JMS or AMQ? What challenges have you faced while implementing lazy loading in Angular 8, and how did you solve performance issues? You need to integrate multiple databases (Oracle, MySQL) with a Spring Boot application. How would you handle transactions across these databases and ensure data consistency? Follow-up: What issues might arise with distributed transactions, and how would you resolve them?