This preparation guide is written for Red Hat Certified Specialist in OpenShift Administration exam for OpenShift V4.6.
-
Exam format: task based. The exam itself contains a set of tasks (16) that you have to perform, which represents the tasks for an OpenShift administrator.
-
Exam duration: 3 hours
-
Exam passing grade: 70% - you must got 12 questions right out of 16.
-
Note that partial completion of a question is not counted as a correct answer
These objectives was retrieved from https://www.redhat.com/en/services/training/ex280-red-hat-certified-specialist-in-openshift-administration-exam?section=Objectives.
To become a Red Hat Certified Specialist in OpenShift Administration, you should be able to perform these tasks:
- Manage OpenShift Container Platform
- Use the command-line interface to manage and configure an OpenShift cluster
- Use the web console to manage and configure an OpenShift cluster
- Create and delete projects
- Import, export, and configure Kubernetes resources
- Examine resources and cluster status
- View logs
- Monitor cluster events and alerts
- Troubleshoot common cluster events and alerts
- Use product documentation
- Manage users and policies
- Configure the HTPasswd identity provider for authentication
- Create and delete users
- Modify user passwords
- Modify user and group permissions
- Create and manage groups
- Control access to resources
- Define role-based access controls
- Apply permissions to users
- Create and apply secrets to manage sensitive information
- Create service accounts and apply permissions using security context constraints
- Configure networking components
- Troubleshoot software defined networking
- Create and edit external routes
- Control cluster network ingress
- Create a self signed certificate
- Secure routes using TLS certificates
- Configure pod scheduling
- Limit resource usage
- Scale applications to meet increased demand
- Control pod placement across cluster nodes
- Configure cluster scaling
- Manually control the number of cluster workers
- Automatically scale the number of cluster workers
Mem:
- Identity Provider
- Access to project using RBAC
- ResourceQuota
- LimitRange for project
- Secret as Environment Viable
- Manual scale and autoscaling with cpu/mem limit
- Route and Secure Route
- SCC
- User and Group
- Taint and Toleration
- Node selector
- CRIO error: deployment not ready
- Describe the Red Hat OpenShift Container Platform cluster installation and update processes
- Troubleshoot application deployments
- Configure authentication using local users
- Control access to projects using role-based access control (RBAC)
- Expose applications to clients external to the cluster using TLS encryption
- Configure network isolation between services and applications using network policies
- Configure network isolation between services and applications using network policies
- Configure application scheduling using labels and selectors
- Limit compute resource usage of applications with resource limits and quotas
- Manage a cluster and deployed applications with the Web Console
- Install Kubernetes Operators with the Web Console