Oracle Cloud Infrastructure 2025 Migration Architect Professional Intermediate Practice Exam: Medium Difficulty 2025

A retail company is planning to migrate their on-premises Oracle E-Business Suite to OCI. They have a 15TB database and need to minimize downtime during the migration. Network bandwidth between their datacenter and OCI is limited to 100 Mbps. Which migration approach should the Migration Architect recommend?

During migration architecture design, a financial services company requires that their migrated workloads maintain network isolation between development, testing, and production environments while allowing centralized security management. They also need to connect all environments to their on-premises datacenter. What OCI networking architecture should be implemented?

A manufacturing company is migrating 50 Windows and Linux application servers from VMware vSphere to OCI. During the assessment phase, you discover that 30% of the servers have custom kernel modules and non-standard configurations. What is the most appropriate migration strategy?

During the migration of a three-tier web application to OCI, the database migration completes successfully, but the application tier experiences intermittent connectivity issues to the Oracle Database. The database is in a private subnet and the application servers are in a public subnet within the same VCN. What is the most likely cause and solution?

A healthcare organization has migrated their patient management system to OCI and wants to implement a disaster recovery solution that provides an RPO of 1 hour and RTO of 4 hours. The production environment runs in the Phoenix region. Which DR architecture should be recommended?

After migrating a legacy application to OCI Compute instances, the operations team reports that monthly costs are 40% higher than projected. Analysis shows that compute instances are sized based on peak workload requirements but average utilization is only 30%. The application can tolerate brief interruptions. What post-migration optimization strategy should be implemented?

A company is performing a phased migration of their multi-tier application to OCI. The database has been migrated, but the application servers remain on-premises temporarily. The application requires low-latency connectivity and must handle sensitive healthcare data. Which connectivity and security architecture should be implemented for this hybrid period?

During execution of a database migration using Oracle GoldenGate, replication lag begins increasing from 5 seconds to over 2 minutes. The source database has high transaction volume during business hours. What should the Migration Architect investigate and address first?

A SaaS provider has migrated their application to OCI and wants to implement a comprehensive monitoring and cost management strategy. They need to track resource usage per customer tenant, set budget alerts, and optimize spending. Which combination of OCI services should be implemented?

A financial institution is planning to migrate their payment processing application that requires PCI-DSS compliance. The application processes credit card data and must maintain strict network segmentation and encryption. Which OCI security architecture components should be prioritized in the migration design?