Red Hat OpenShift requires specific operating systems for its control plane machines to ensure stability, security, and compatibility. Let’s analyze each option:
A. Ubuntu
B. Red Hat Enterprise Linux
C. Red Hat CoreOS
Correct:
Red Hat CoreOSis the default operating system for OpenShift control plane machines. It is a lightweight, immutable operating system specifically designed for running containerized workloads in Kubernetes environments. CoreOS ensures consistency, security, and automatic updates.
D. CentOS
Why Red Hat CoreOS?
Immutable Infrastructure:CoreOS is designed to be immutable, meaning updates are applied automatically and consistently across the cluster.
Optimized for Kubernetes:CoreOS is tailored for Kubernetes workloads, providing a secure and reliable foundation for OpenShift control plane components.
JNCIA Cloud References:
The JNCIA-Cloud certification covers OpenShift architecture, including the operating systems used for control plane and worker nodes. Understanding the role of Red Hat CoreOS is essential for deploying and managing OpenShift clusters effectively.
For example, Juniper Contrail integrates with OpenShift to provide advanced networking features, relying on CoreOS for secure and efficient operation of control plane components.
[Reference:, OpenShift Documentation: Red Hat CoreOS, Juniper JNCIA-Cloud Study Guide: OpenShift Architecture, ]
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