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OpenShift 4.6.2 is outdated and does not meet the minimum version requirement for CP4I v2021.2.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