IBM Cloud Pak for Integration v2021.2 Administration Advanced Practice Exam: Hard Questions 2025

During a Cloud Pak for Integration installation on an air-gapped OpenShift cluster, the installation fails with image pull errors despite having configured a private registry mirror. The catalog source pods are running, but capability instances fail to deploy. Investigation reveals that some images are being pulled from the wrong registry. What is the MOST likely root cause and solution?

An enterprise has deployed Cloud Pak for Integration with multiple App Connect Enterprise instances across three OpenShift clusters in different regions. They need to implement a disaster recovery strategy with RPO of 15 minutes and RTO of 30 minutes. Integration flows process financial transactions with exactly-once delivery semantics. Which architectural approach BEST meets these requirements?

A Cloud Pak for Integration environment experiences intermittent performance degradation affecting API Connect gateway throughput. Monitoring shows CPU and memory are within normal ranges, but network metrics indicate packet retransmission rates of 3-5% during degradation periods. The API Connect gateway pods are distributed across worker nodes with kernel version 4.18. What is the MOST effective troubleshooting approach?

An organization needs to configure App Connect Enterprise to process messages from multiple MQ queue managers with different security requirements. QM1 requires mutual TLS with client certificates, QM2 uses channel authentication records with LDAP, and QM3 requires IBM MQ security exits. The integration flows must dynamically route to different queue managers based on message headers. What configuration approach should be implemented?

After upgrading Cloud Pak for Integration from version 2021.1 to 2021.2, existing API Connect instances work correctly, but newly created API Connect clusters fail to initialize with the error 'management subsystem database migration timeout'. The PostgreSQL operator shows all database pods are running and healthy. Logs indicate schema migration scripts are executing but timing out after 600 seconds. What is the MOST likely cause and resolution?

A Cloud Pak for Integration deployment requires Event Streams (Kafka) to be configured for multi-zone availability with rack awareness across three availability zones. The deployment has 6 Kafka brokers and topics require a replication factor of 3. After configuration, producers report increased latency and monitoring shows that replica distribution is suboptimal with some racks having multiple replicas of the same partition. What configuration aspect was MOST likely misconfigured?

An organization implements Cloud Pak for Integration with IBM App Connect and needs to ensure GDPR compliance for customer data flowing through integration flows. Data must be encrypted at rest and in transit, with the ability to cryptographically prove data lineage and support 'right to be forgotten' requests. Integration flows store temporary data in persistent volumes and message queues. Which combination of capabilities provides the MOST comprehensive solution?

During a Cloud Pak for Integration installation using online catalog sources, the Platform Navigator operator installs successfully but remains in 'Installing' state indefinitely. The operator logs show recurring errors: 'failed to get resource version from Platform Navigator CR: metadata.resourceVersion required'. All prerequisite operators are installed and healthy. The OpenShift cluster has recently undergone a control plane migration. What is the root cause and solution?

An App Connect Enterprise integration solution processes high-value financial transactions requiring exactly-once message processing semantics. The flow consumes from an MQ queue, performs external REST API calls to validate transactions with a payment processor, updates a database, and publishes results to another MQ queue. The payment processor API is occasionally unavailable for 1-2 minutes. What flow design pattern BEST ensures exactly-once processing while handling the external API unavailability?

A Cloud Pak for Integration environment spanning multiple OpenShift clusters uses Platform Navigator for centralized management. After implementing a new certificate authority for the organization, all existing capability instances continue working, but Platform Navigator cannot discover or register new capability instances. Browser access to Platform Navigator works, but the integration capabilities report 'cannot connect to platform navigator: x509: certificate signed by unknown authority'. What is the MOST efficient solution to restore functionality?