C1000-130 IBM Cloud Pak for Integration V2021.2 Administration Free Practice Exam Questions (2025 Updated)

The command executed is:

sh

CopyEdit

oc get po

This command lists the pods running in an OpenShift (OCP) cluster where IBM API Connect is deployed.

Most API Connect management components (apic-dev-mgmt-xxx) are in a Running state, which indicates that the core API Connect system is operational.

The apic-dev-mgmt-turnstile pod is in a CrashLoopBackOff state, with 301 restarts, indicating that this component has repeatedly failed to start properly.

The Turnstile pod is a critical component of the IBM API Connect Developer Portal.

It manages authentication and access control for the Developer Portal, ensuring that API consumers can access the portal and manage API subscriptions.

When Turnstile is failing, the Developer Portal becomes unresponsive because authentication requests cannot be processed.

Key Observations from the Output:Understanding the Turnstile Component:

Since the Turnstile pod is failing, the Developer Portal will not function properly, preventing users from accessing API documentation and managing API subscriptions.

API providers and consumers will not be able to log in or interact with the Developer Portal.

Why Answer B is Correct?

A. The Analytics subsystem cannot retain historical data. → Incorrect

The Analytics-related pods (e.g., apic-dev-analytics-xxx) are in a Running state.

If the Analytics component were failing, metrics collection and historical API call data would be impacted, but this is not indicated in the output.

C. Automated API behavior testing has failed. → Incorrect

There is no evidence in the pod list that API testing-related components (such as test clients or monitoring tools) have failed.

D. New API calls will be rejected by the gateway service. → Incorrect

The gateway service is not shown as failing in the provided output.

API traffic flows through the Gateway pods (typically apic-gateway-xxx), and they appear to be running fine.

If gateway-related pods were failing, API call processing would be affected, but that is not the case here.

Explanation of Incorrect Answers:

IBM API Connect Deployment on OpenShift

Troubleshooting Developer Portal Issues

Understanding API Connect Components

OpenShift Troubleshooting Pods

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

In IBM Cloud Pak for Integration (CP4I) v2021.2, Identity and Access Management (IAM) is part of Foundational Services, which provides authentication and authorization across different modules within CP4I.

When configuring IAM for single sign-on (SSO), the administrator must have administrator access to the IAM service. This is essential for:

Integrating external identity providers (IdPs) such as LDAP, SAML, or OIDC.

Managing user roles and access control policies across the Cloud Pak environment.

Configuring SSO settings for seamless authentication across all IBM Cloud Pak services.

IAM service administrators have full control over authentication and SSO settings.

They can configure and integrate identity providers for authentication.

This level of access is required to modify IAM settings in Cloud Pak for Integration.

Why Answer D (Access to IAM service as administrator) is Correct?

A. Access to the OpenShift Container Platform console as kubeadmin. → Incorrect

While kubeadmin is a cluster-wide OpenShift administrator, this role does not grant IAM administrative privileges in Cloud Pak Foundational Services.

IAM settings are managed within IBM Cloud Pak, not solely through OpenShift.

B. Access to IBM Cloud Pak for Integration as kubeadmin. → Incorrect

kubeadmin can manage OpenShift resources, but IAM requires specific access to the IAM service within Cloud Pak.

IAM administrators are responsible for configuring authentication, SSO, and identity providers.

C. Access to OpenShift cluster as root. → Incorrect

Root access is not relevant here because OpenShift does not use root users for administration.

IAM configurations are done within Cloud Pak, not at the OpenShift OS level.

Explanation of Incorrect Answers:

IBM Cloud Pak Foundational Services - IAM Configuration

Configuring Single Sign-On (SSO) in IBM Cloud Pak

IBM Cloud Pak for Integration Security Overview

OpenShift Authentication and Identity Management

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

In IBM Cloud Pak for Integration (CP4I), operators—including the App Connect Operator—are managed through Operator Lifecycle Manager (OLM) in Red Hat OpenShift. OLM provides two upgrade approval strategies:

Automatic: The operator is upgraded as soon as a new compatible version becomes available.

Manual: An administrator must manually approve the upgrade.

The App Connect Operator supports automatic upgrades when configured with the Automatic approval strategy during installation or later through OperatorHub settings. If this setting is enabled, OpenShift will detect new compatible versions and upgrade the operator without requiring manual intervention.

B. The setting for automatic upgrades can only be specified at the time the App Connect Operator is installed.

Incorrect, because the approval strategy can be modified later in OpenShift’s OperatorHub or via CLI.

C. Once the App Connect Operator is installed, the approval strategy cannot be modified.

Incorrect, because OpenShift allows administrators to change the approval strategy at any time after installation.

D. There is no option to require manual approval for updating the App Connect Operator.

Incorrect, because OLM provides both manual and automatic approval options. If manual approval is set, the administrator must manually approve each upgrade.

Why Other Options Are Incorrect:IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

IBM App Connect Operator Upgrade Process

OpenShift Operator Lifecycle Manager (OLM) Documentation

IBM Cloud Pak for Integration Operator Management

In IBM Cloud Pak Foundational Services, the License Service is responsible for collecting, tracking, and reporting license usage data. It ensures compliance by monitoring the consumption of IBM Cloud Pak licenses across the environment.

The License Service refreshes its data every 5 minutes to keep the license usage information up to date.

This frequent update cycle helps organizations maintain accurate tracking of their entitlements and avoid non-compliance issues.

A. 1 hour (Incorrect)

The License Service updates its records more frequently than every hour to provide timely insights.

B. 30 seconds (Incorrect)

A refresh interval of 30 seconds would be too frequent for license tracking, leading to unnecessary overhead.

C. 5 minutes (Correct)

The IBM License Service refreshes its data every 5 minutes, ensuring real-time tracking without excessive system load.

D. 30 minutes (Incorrect)

A 30-minute refresh would delay the reporting of license usage, which is not the actual behavior of the License Service.

Analysis of the Options:

IBM License Service Overview

IBM Cloud Pak License Service Data Collection Interval

IBM Cloud Pak Compliance and License Reporting

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

The Operations Dashboard in IBM Cloud Pak for Integration (CP4I) v2021.2 is used for monitoring and managing integration components. When securing data at rest, the supported encryption method in CP4I includes Portworx, which provides enterprise-grade storage and encryption solutions.

Portworx is a Kubernetes-native storage solution that supports encryption of data at rest.

It enables persistent storage for OpenShift workloads, including Cloud Pak for Integration components.

Portworx provides AES-256 encryption, ensuring that data at rest remains secure.

It allows for role-based access control (RBAC) and Key Management System (KMS) integration for secure key handling.

Why Option B (Portworx) is Correct:

A. AES128 → Incorrect

While AES encryption is used for data protection, AES128 is not explicitly mentioned as the standard for Operations Dashboard storage encryption.

AES-256 is the preferred encryption method when using Portworx or IBM-provided storage solutions.

C. base64 → Incorrect

Base64 is an encoding scheme, not an encryption method.

It does not provide security for data at rest, as base64-encoded data can be easily decoded.

D. NFS → Incorrect

Network File System (NFS) does not inherently provide encryption for data at rest.

NFS can be used for storage, but additional encryption mechanisms are needed for securing data at rest.

Explanation of Incorrect Answers:

IBM Cloud Pak for Integration Security Best Practices

Portworx Data Encryption Documentation

IBM Cloud Pak for Integration Storage Considerations

Red Hat OpenShift and Portworx Integration

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

https://www.ibm.com/docs/en/cloud-paks/cp-integration/2020.3?topic=configuration-installation

The IBM Cloud Pak Foundational Services Operator provides essential shared services required for IBM Cloud Pak solutions, including Cloud Pak for Integration (CP4I). These foundational services enable security, licensing, monitoring, and user management across IBM Cloud Paks.

The IBM Cloud Pak Foundational Services License Service tracks and reports license usage of IBM Cloud Pak products deployed in a containerized environment.

It ensures compliance by monitoring Virtual Processor Cores (VPCs) and other licensing metrics.

This service is crucial for IBM Cloud Pak licensing audits and entitlement verification.

When deploying IBM Cloud Pak for Integration (CP4I) v2021.2 on AWS, an administrator has multiple options for managing the OpenShift layer. However, if the goal is to avoid managing OpenShift manually, the best approach is to deploy CP4I onto AWS ROSA (Red Hat OpenShift Service on AWS).

Managed OpenShift: ROSA is a fully managed OpenShift service, meaning AWS and Red Hat handle the deployment, updates, patching, and infrastructure maintenance of OpenShift.

Simplified Deployment: Administrators can directly deploy CP4I on ROSA without worrying about installing and maintaining OpenShift on AWS manually.

IBM Support: IBM Cloud Pak solutions, including CP4I, are certified to run on ROSA, ensuring compatibility and optimized performance.

Integration with AWS Services: ROSA allows seamless integration with AWS-native services like S3, RDS, and IAM for authentication and storage.

Why is AWS ROSA the Best Choice?

B. Installer-provisioned Infrastructure on EC2 – This requires manual setup of OpenShift on AWS EC2 instances, increasing operational overhead.

C. CP4I Quick Start on AWS – IBM provides a Quick Start guide for deploying CP4I, but it assumes you are managing OpenShift yourself. This does not eliminate OpenShift management.

D. Terraform scripts from IBM’s GitHub – These scripts help automate provisioning but still require the administrator to manage OpenShift themselves.

Why Not the Other Options?Thus, for a fully managed OpenShift solution on AWS, AWS ROSA is the best option.

IBM Cloud Pak for Integration Documentation

IBM Cloud Pak for Integration on AWS ROSA

Deploying Cloud Pak for Integration on AWS

Red Hat OpenShift Service on AWS (ROSA) Overview

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

In Red Hat OpenShift, installing OpenShift GitOps (based on ArgoCD) requires elevated cluster-wide permissions because the installation process:

Deploys Custom Resource Definitions (CRDs).

Creates Operators and associated resources.

Modifies cluster-scoped components like role-based access control (RBAC) policies.

Only a user with cluster-admin privileges can perform these actions, making cluster-admin the correct role for installing OpenShift GitOps.

Command to Install OpenShift GitOps:oc apply -f openshift-gitops-subscription.yaml

This operation requires cluster-wide permissions, which only the cluster-admin role provides.

Why the Other Options Are Incorrect?Option

Explanation

Correct?

A. cluster-operator

❌ Incorrect – No such default role exists in OpenShift. Operators are managed within namespaces but cannot install GitOps at the cluster level.

❌

C. admin

❌ Incorrect – The admin role provides namespace-level permissions, but GitOps requires cluster-wide access to install Operators and CRDs.

❌

D. operator

❌ Incorrect – This is not a valid OpenShift role. Operators are software components managed by OpenShift, but an operator role does not exist for installation purposes.

❌

Final Answer:✅ B. cluster-admin

Red Hat OpenShift GitOps Installation Guide

Red Hat OpenShift RBAC Roles and Permissions

IBM Cloud Pak for Integration - OpenShift GitOps Best Practices

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

When installing IBM Cloud Pak for Integration (CP4I) on an OpenShift cluster that lacks internet access, an air-gapped installation is required. This process involves mirroring container images from an IBM container registry to a portable registry that can be accessed by the disconnected OpenShift cluster.

To authenticate and mirror images, the administrator must:

Use the cloudctl case command to configure credentials, including the IBM entitlement key, before initiating the mirroring process.

Authenticate with the IBM Container Registry using the entitlement key.

Mirror the required images from IBM’s registry to a local registry that the disconnected OpenShift cluster can access.

B. export ENTITLEMENTKEY and cloudPakOfflineInstaller -mirror-images

The command cloudPakOfflineInstaller -mirror-images is not a valid IBM Cloud Pak installation step.

IBM requires the use of cloudctl case commands for air-gapped installations.

C. Adding the entitlement key to .airgap/registries

There is no documented requirement to store the entitlement key in SHOME/.airgap/registries.

IBM Cloud Pak for Integration does not use this file for authentication.

D. Adding the ibm-entitlement-key as a Docker secret

While secrets are used in OpenShift for image pulling, they are not directly involved in mirroring images for air-gapped installations.

The entitlement key is required at the mirroring step, not when deploying the images.

Why Other Options Are Incorrect:IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

IBM Documentation: Installing Cloud Pak for Integration in an Air-Gapped Environment

IBM Cloud Pak Entitlement Key and Image Mirroring

OpenShift Air-Gapped Installation Guide

When installing the Cloud Pak for Integration (CP4I) operator on OpenShift, administrators must select an appropriate OpenShift project (namespace).

IBM recommends using dedicated namespaces for CP4I installation to ensure proper isolation and resource management. The two commonly used namespaces are:

cp4i → A custom namespace that administrators often create specifically for CP4I components.

openshift-cp4i → A namespace prefixed with openshift-, often used in managed environments or to align with OpenShift conventions.

Both of these namespaces are valid for CP4I installation.

A. openshift-infra → ❌ Incorrect

The openshift-infra namespace is reserved for internal OpenShift infrastructure components (e.g., monitoring and networking).

It is not intended for application or operator installations.

B. openshift → ❌ Incorrect

The openshift namespace is a protected namespace used by OpenShift’s core services.

Installing CP4I in this namespace can cause conflicts and is not recommended.

C. default → ❌ Incorrect

The default namespace is a generic OpenShift project that lacks the necessary role-based access control (RBAC) configurations for CP4I.

Using this namespace can lead to security and permission issues.

Explanation of Incorrect Answers:

IBM Cloud Pak for Integration Installation Guide

OpenShift Namespace Best Practices

IBM Cloud Pak for Integration Operator Deployment

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

https://www.ibm.com/docs/en/cloud-paks/cp-integration/2021.2?topic=installing-operators

IBM Cloud Pak for Integration (CP4I) v2021.2 is designed to run on Red Hat OpenShift Container Platform (OCP). Each version of CP4I has a minimum required OpenShift version to ensure compatibility, performance, and security.

For Cloud Pak for Integration v2021.2, the minimum required OpenShift version is 4.7.4.

Compatibility: CP4I components, including IBM MQ, API Connect, App Connect, and Event Streams, require specific OpenShift versions to function properly.

Security & Stability: Newer OpenShift versions include critical security updates and performance improvements essential for enterprise deployments.

Operator Lifecycle Management (OLM): CP4I uses OpenShift Operators, and the correct OpenShift version ensures proper installation and lifecycle management.

Minimum required OpenShift version: 4.7.4

Recommended OpenShift version: 4.8 or later

Key Considerations for OpenShift Version Requirements:IBM’s Official Minimum OpenShift Version Requirements for CP4I v2021.2:

IBM officially requires at least OpenShift 4.7.4 for deploying CP4I v2021.2.

OpenShift 4.6.x versions are not supported for CP4I v2021.2.

OpenShift 4.7.4 is the first fully supported version that meets IBM's compatibility requirements.

Why Answer A (4.7.4) is Correct?

B. 4.6.8 → Incorrect

OpenShift 4.6.x is not supported for CP4I v2021.2.

IBM Cloud Pak for Integration v2021.1 supported OpenShift 4.6, but v2021.2 requires 4.7.4 or later.

C. 4.7.4 → Correct

This is the minimum required OpenShift version for CP4I v2021.2.

D. 4.6.2 → Incorrect

OpenShift 4.6.2 is outdated and does not meet the minimum version requirement for CP4I v2021.2.

Explanation of Incorrect Answers:

IBM Cloud Pak for Integration v2021.2 System Requirements

Red Hat OpenShift Version Support Matrix

IBM Cloud Pak for Integration OpenShift Deployment Guide

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

After successfully installing an OpenShift cluster, the most reliable way to confirm that the cluster is up and running is by checking the status of its nodes. This is done using the oc get nodes command.

The command oc get nodes lists all the nodes in the cluster and their current status.

If the installation is successful, the nodes should be in a "Ready" state, indicating that the cluster is functional and prepared for further configuration, including the installation of IBM Cloud Pak for Integration (CP4I).

Option A (Incorrect – which oc): This only verifies that the OpenShift CLI (oc) is installed on the local system, but it does not confirm the cluster installation.

Option B (Incorrect – Checking /.openshift_install.log): While the installation log may indicate a successful install, it does not confirm the operational status of the cluster.

Option C (Correct – oc get nodes): This command confirms that the cluster is running and provides a status check on all nodes. If the nodes are listed and marked as "Ready", it indicates that the OpenShift cluster is successfully installed.

Option D (Incorrect – OpenShift Admin Console Access): While the OpenShift Web Console can be accessed if the cluster is installed, this does not guarantee that the cluster is fully operational. The most definitive check is through the oc get nodes command.

Analysis of the Options:

IBM Cloud Pak for Integration Installation Guide

Red Hat OpenShift Documentation – Cluster Installation

Verifying OpenShift Cluster Readiness (oc get nodes)

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

The IBM Storage Suite for Cloud Paks provides storage licensing for various IBM Cloud Pak solutions, including Cloud Pak for Integration (CP4I). It supports multiple storage options, such as IBM Spectrum Scale, IBM Spectrum Virtualize, IBM Spectrum Discover, IBM Spectrum Protect Plus, and OpenShift Container Storage (OCS).

IBM licenses CP4I based on Virtual Processor Cores (VPCs).

Storage Suite for Cloud Paks uses a conversion factor:

1 VPC of CP4I provides 25GB of OCS storage entitlement.

To calculate how much CP4I VPC is required for 8TB (8000GB) of OCS:

Understanding Licensing Conversion:8000GB25GB per VPC=320 VPCs\frac{8000GB}{25GB \text{ per VPC}} = 320 \text{ VPCs}25GB per VPC8000GB​=320 VPCs

Since the administrator only has 200 VPCs of CP4I, they do not have enough entitlement to cover the full 8TB of OCS storage. They would need an additional 120 VPCs to fully meet the requirement.

A. The Storage Suite entitlement covers the administrator's license needs only if the OpenShift cluster is running on IBM Cloud or AWS.

Incorrect, because Storage Suite for Cloud Paks can be used on any OpenShift deployment, including on-premises, IBM Cloud, AWS, or other cloud providers.

C. The Storage Suite entitlement already covers the administrator's license needs.

Incorrect, because 200 VPCs of CP4I only provide 5TB (200 × 25GB) of OCS storage, but the administrator needs 8TB.

D. The Storage Suite entitlement only covers IBM Spectrum products, but the licenses can be converted to OCS.

Incorrect, because Storage Suite already includes OpenShift Container Storage (OCS) as part of its licensing model without requiring any conversion.

Why Other Options Are Incorrect:IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

IBM Storage Suite for Cloud Paks Licensing Guide

IBM Cloud Pak for Integration Licensing Information

OpenShift Container Storage Entitlement

Uninstalling IBM Cloud Pak for Integration (CP4I) v2021.2 requires removing the operators, instances, and related resources from the OpenShift cluster. One method to achieve this is through the OpenShift console, which provides a graphical interface for managing operators and deployments.

The OpenShift Web Console allows administrators to:

Navigate to Operators → Installed Operators and remove CP4I-related operators.

Delete all associated custom resources (CRs) and namespaces where CP4I was deployed.

Ensure that all PVCs (Persistent Volume Claims) and secrets associated with CP4I are also deleted.

This is an officially supported method for uninstalling CP4I in OpenShift environments.

Why Option D (OpenShift Console) is Correct:

A. Uninstall.sh → ❌ Incorrect

There is no official Uninstall.sh script provided by IBM for CP4I removal.

IBM’s documentation recommends manual removal through OpenShift.

B. Cloud Pak for Integration console → ❌ Incorrect

The CP4I console is used for managing integration components but does not provide an option to uninstall CP4I itself.

C. Operator Catalog → ❌ Incorrect

The Operator Catalog lists available operators but does not handle uninstallation.

Operators need to be manually removed via the OpenShift Console or CLI.

Explanation of Incorrect Answers:

Uninstalling IBM Cloud Pak for Integration

OpenShift Web Console - Removing Installed Operators

Best Practices for Uninstalling Cloud Pak on OpenShift

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

In IBM Cloud Pak for Integration (CP4I) v2021.2, when deploying API Connect on OpenShift or within the Cloud Pak for Integration framework, there are different deployment methods:

Single Top-Level Custom Resource (CR) – This method deploys all API Connect subsystems as a single unit, meaning they are managed together. Removing individual subsystems is not supported when using this deployment method. If you need to remove a subsystem, you must delete the entire API Connect instance.

Multiple Independent Custom Resources (CRs) – This method allows more granular control, enabling the deletion of individual subsystems without affecting the entire deployment.

Since the question specifically asks about API Connect deployed using a single top-level CR, it is not possible to delete individual subsystems. The entire deployment must be deleted and reconfigured if changes are required.

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

IBM API Connect v10 Documentation: IBM Docs - API Connect on OpenShift

IBM Cloud Pak for Integration Knowledge Center: IBM CP4I Documentation

API Connect Deployment Guide: Managing API Connect Subsystems

In an IBM Cloud Pak for Integration (CP4I) v2021.2 deployment, certain components require ReadWriteMany (RWX) storage to allow multiple pods to read and write data concurrently.

CouchDB is used as the Asset Repository in CP4I to store configuration and metadata for IBM Automation Assets.

It requires persistent storage that can be accessed by multiple instances simultaneously.

RWX storage is necessary because multiple pods may need concurrent access to the same database storage in a distributed deployment.

Common RWX storage options in OpenShift include NFS, Portworx, or CephFS.

Why Option B (CouchDB for Asset Repository) is Correct:

A. MQ multi-instance → Incorrect

IBM MQ multi-instance queue managers require ReadWriteOnce (RWO) storage because only one active instance at a time can write to the storage.

MQ HA deployments typically use Replicated Data Queue Manager (RDQM) or Persistent Volumes with RWO access mode.

C. API Connect → Incorrect

API Connect stores most of its configurations in databases like MongoDB but does not specifically require RWX storage for its primary operation.

It uses RWO or ReadOnlyMany (ROX) storage for its internal components.

D. Event Streams → Incorrect

Event Streams (based on Apache Kafka) uses RWO storage for high-performance message persistence.

Each Kafka broker typically writes to its own dedicated storage, meaning RWX is not required.

Explanation of Incorrect Answers:

IBM Cloud Pak for Integration Storage Requirements

CouchDB Asset Repository in CP4I

IBM MQ Multi-Instance Setup

OpenShift RWX Storage Options

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

Single Sign-On (SSO) is an authentication mechanism that allows users to log in once and gain access to multiple applications without re-entering credentials. In IBM Cloud Pak for Integration (CP4I), Enterprise LDAP and OpenShift authentication both support SSO.

Enterprise LDAP (B) – ✅ Supports SSO

Lightweight Directory Access Protocol (LDAP) is commonly used in enterprises for centralized authentication.

CP4I can integrate with Enterprise LDAP, allowing users to authenticate once and access multiple cloud services without needing separate logins.

OpenShift Authentication (E) – ✅ Supports SSO

OpenShift provides OAuth-based authentication, enabling SSO across multiple OpenShift-integrated services.

CP4I uses OpenShift’s built-in identity provider to allow seamless user authentication across different Cloud Pak components.

A. 2FA (Incorrect):

Two-Factor Authentication (2FA) enhances security by requiring an additional verification step but does not inherently support SSO.

C. Plain Text over HTTPS (Incorrect):

Plain text authentication is insecure and does not support SSO.

D. Enterprise SSH (Incorrect):

SSH authentication is used for remote access to servers but is not related to SSO.

Analysis of the Incorrect Options:

IBM Cloud Pak for Integration Authentication & SSO Guide

Red Hat OpenShift Authentication and Identity Providers

IBM Cloud Pak - Integrating with Enterprise LDAP

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

1️⃣ The shared file system releases the locks originally held by the active instance.

When the active IBM MQ instance fails, the shared storage system releases the file locks, allowing the standby instance to take over.

2️⃣ The standby instance acquires the locks and starts.

The standby queue manager detects the failure, acquires the released locks, and promotes itself to the active instance.

3️⃣ Kubernetes Pod readiness probe detects the ready container has changed and redirects network traffic.

OpenShift/Kubernetes detects that the active instance has changed and updates its internal routing to redirect connections to the new active queue manager.

4️⃣ IBM MQ clients reconnect.

MQ clients reconnect to the new active queue manager using automatic reconnect mechanisms such as Client Auto Reconnect (MQCNO) or channel reconnect options.

Comprehensive Detailed Explanation:

In IBM Cloud Pak for Integration (CP4I) v2021.2, multi-instance queue managers use a shared file system to enable failover. The failover process follows these key steps:

Release of Locks:

The active queue manager holds a lock on shared storage.

When it fails, the lock is released, allowing the standby instance to take over.

Standby Becomes Active:

The standby queue manager acquires the released locks and promotes itself to active.

Network Traffic Redirection:

Kubernetes/OpenShift detects the pod status change using readiness probes and redirects network traffic to the new active instance.

Client Reconnection:

IBM MQ clients reconnect to the new active instance, ensuring minimal downtime.

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References:

IBM MQ Multi-Instance Queue Manager Failover

Kubernetes Readiness and Liveness Probes

IBM MQ High Availability Using Shared Storage

In IBM Cloud Pak for Integration (CP4I) v2021.2, profiles define the resource allocation and configuration settings for deployed services. When creating a second medium-size profile, the system will allocate the resources according to the medium-size specifications, without affecting the first profile.

IBM Cloud Pak for Integration supports multiple profiles, each with its own resource allocation.

When a second medium-size profile is created, it is independently assigned the medium-size configuration without modifying the existing profiles.

This allows multiple services to run with similar resource constraints but remain separately managed.

Why Option B is Correct:

A. The first profile will be replaced by the second profile. → ❌ Incorrect

Creating a new profile does not replace an existing profile; each profile is independent.

C. The first profile will be re-configured with a medium size. → ❌ Incorrect

The first profile remains unchanged. A second profile does not modify or reconfigure an existing one.

D. The second profile will be configured with a large size. → ❌ Incorrect

The second profile will retain the specified medium size and will not be automatically upgraded to a large size.

Explanation of Incorrect Answers:

IBM Cloud Pak for Integration Sizing and Profiles

Managing Profiles in IBM Cloud Pak for Integration

OpenShift Resource Allocation for CP4I

IBM Cloud Pak for Integration (CP4I) v2021.2 Administration References: