Red Hat Certified Specialist in OpenShift Data Virtualization («EX316R»)

By passing this exam, you become a Red Hat Certified Specialist in OpenShift Virtualization that also counts towards earning a Red Hat Certified Architect (RHCA®).
This exam is based on Red Hat OpenShift Container Platform 4.16.

To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. 

Candidates for this exam should be able to perform the following tasks:

Deploy the OpenShift Virtualization operator

• Know how Red Hat OpenShift Virtualization components work
• Deploy Red Hat OpenShift Virtualization operator using Red Hat OpenShift Container Platform Operator Lifecycle Management

Run and access virtual machines

• Provision and manage virtual machines from the web interface or the command line interface (CLI)
• Allow different users to access different virtual machine resources

Configure Kubernetes networking for virtual machines

• Work with Kubernetes SDN to enable virtual machine communication
• Create network policies for virtual machines
• Configure external access for virtual machines

Configure Kubernetes Service

• Configure ClusterIP service for virtual machines

Connect virtual machines to external networks

• Work with the Multus CNI plug-in
• Configure multihomed nodes and virtual machines using the NMstate operator and Multus

Configure Kubernetes storage for virtual machines

• Configure appropriate services for persistent virtual machine storage
• Attach disks to a virtual machine
• Detach disks from a virtual machine
• Connect virtual machines to external storage using Multus

Use OpenShift APIs for Data Protection (OADP) to backup and restore virtual machines

• Deploy the OADP Operator
• Back up and restore virtual machines with OADP

Manage virtual machine templates

• Use and modify preconfigured templates to provision virtual machines.
• Generate custom templates to provision virtual machines
• Use cloud-init in virtual machine templates to add access credentials, configure software repositories and run arbitrary commands

Manage virtual machine snapshots

• Know how to create and manage virtual machine snapshots.
• Create a snapshot of a VM
• Restore a VM from a snapshot

Migrate virtual machines from compatible hypervisors

• Import an Open Virtual Appliance (OVA) virtual machine image
• Configure an imported virtual machine for external access

Clone virtual machines

• Prepare virtual machines for cloning
• Clone virtual machines using the OpenShift web console
• Clone virtual machines’ disks using data volumes

Perform virtual machine live migrations

• Know the limitations of virtual machine live migration
• Configure virtual machines to have affinity for certain nodes
• Start, monitor, and cancel virtual machine migrations

Perform node maintenance and OpenShift Virtualization updates

• Configure node maintenance resources
• Prepare nodes for maintenance using the CLI
• Drain nodes correctly in order to be set in maintenance mode

Manage virtual machine load balancing with Kubernetes networking resources

• Configure virtual machine load balancing with Kubernetes networking resources
• Create and configure NodePort type services
• Create customized routes to expose generic services

Configure health probes for virtual machines

• Configure and update the run strategy parameters
• Configure health probes and watchdog devices to monitor the health and responsiveness of a virtual machine and its services

Prepare virtual machines for node failure

• Determine the eviction strategies used to survive cluster node loss
• Use node selectors, affinity, anti-affinity, tolerations, and taints
• Use watchdog monitoring and health checks for virtual machine applications and nodes

Perform basic system administration tasks such as

• Start and stop services
• Configure services to be enabled at boot time.
• Install software packages in the operating system

Site reliability engineers (SREs), cluster engineers, systems administrators, cloud administrators, or cloud engineers focused on planning, designing, and implementing production-grade virtual machines under OpenShift clusters and, at the same time, ensuring these virtual machines remain in compliance with corporate standards

• Red Hat Certified System Administrator Rapid Track Course (RH200) or equivalent experience
• Red Hat OpenShift Administration II: Configuring a Production Cluster (DO280) or equivalent experience
• Managing Virtual Machines with Red Hat OpenShift Virtualization (DO316) or equivalent experience