IBM A1000-123 Intermediate Practice Exam: Medium Difficulty 2025

A development team is deploying a multi-tier web application on IBM Cloud that includes a frontend, application server, and database. They need to ensure that only the frontend is accessible from the internet while the application server can communicate with both the frontend and database. Which IBM Cloud networking approach should they implement?

An organization is migrating their on-premises applications to IBM Cloud and needs to maintain hybrid connectivity. They require consistent network performance with predictable latency for their business-critical applications. During peak hours, they need guaranteed bandwidth of at least 1 Gbps. Which connectivity solution best meets these requirements?

A company is deploying a containerized microservices application on IBM Cloud Kubernetes Service. They need to implement horizontal pod autoscaling based on custom metrics from their application (such as queue length) rather than standard CPU/memory metrics. What combination of services should they configure?

An enterprise application on IBM Cloud processes sensitive financial data and must comply with data sovereignty requirements that mandate all data remain within a specific geographic region. The application also needs disaster recovery capabilities. Which combination of IBM Cloud features should be implemented?

A development team needs to manage secrets and encryption keys for their IBM Cloud applications. They require automatic rotation of secrets, audit logging of all access, and integration with their existing CI/CD pipeline. Which IBM Cloud service and configuration approach should they use?

A company's IBM Cloud environment has experienced unauthorized access attempts. They need to implement a comprehensive security monitoring solution that provides real-time threat detection, compliance reporting, and centralized visibility across their VPC, Kubernetes clusters, and Cloud Foundry applications. Which approach should they take?

An organization needs to ensure their IBM Cloud resources comply with industry standards like PCI-DSS and HIPAA. They want to continuously monitor compliance status and automatically remediate common misconfigurations. What combination of services and features should they implement?

A financial services application on IBM Cloud requires that all data be encrypted both at rest and in transit, with the customer maintaining exclusive control over the encryption keys. The keys must never be accessible to IBM Cloud operators. Which encryption strategy should be implemented?

An e-commerce application on IBM Cloud is experiencing performance degradation during peak shopping hours. The development team needs to identify which microservice is causing bottlenecks and understand the complete request flow across distributed services. Which IBM Cloud monitoring approach should they implement?

A company running multiple Kubernetes clusters on IBM Cloud wants to optimize costs while maintaining performance. They've noticed that many workloads have varying resource utilization throughout the day. Which combination of strategies should they implement to optimize resource usage and costs?