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RedHat EX316 Exam Overview:
| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in OpenShift Virtualization exam |
| Exam Number: | EX316 |
| Exam Duration: | 240 minutes |
| Available Languages: | English |
| Passing Score: | 210/300 |
| Exam Format: | Performance-based tasks, Hands-on lab exam |
| Related Certifications: | Red Hat Certified Specialist in OpenShift Administration Red Hat Certified System Administrator (RHCSA) Red Hat Certified Specialist in Containers and Kubernetes |
| Real Exam Qty: | Performance-based exam (number of tasks varies) |
| Exam Price: | $400 USD (varies by region) |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Red Hat OpenShift Administration training OpenShift Virtualization documentation and labs |
| Exam Registration: | Red Hat Training and Certification - Exams |
| Sample Questions: | RedHat EX316 Sample Questions |
| Exam Way: | Individual performance-based exam delivered via remote or onsite Red Hat testing environment |
| Pre Condition: | Red Hat recommends experience with Linux administration and OpenShift administration; RHCSA or equivalent knowledge is strongly recommended. |
| Official Syllabus URL: | https://www.redhat.com |
RedHat EX316 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Migration and Operations | - Manage VM snapshots and backups - Perform VM migration within OpenShift clusters |
| Topic 2: Virtual Machine Lifecycle Management | - Start, stop, and modify VM resources - Create and manage virtual machines |
| Topic 3: Troubleshooting and Maintenance | - Monitor virtualization workloads - Diagnose VM and cluster issues |
| Topic 4: Storage and Networking for Virtual Machines | - Configure persistent storage for VMs - Configure VM networking and connectivity |
| Topic 5: OpenShift Virtualization Installation and Configuration | - Deploy OpenShift Virtualization operators and components - Configure cluster prerequisites for virtualization workloads |
RedHat Red Hat Certified Specialist in OpenShift Virtualization Sample Questions:
How do you use tolerations to allow VMs on tainted nodes?
Reveal Solution Discussion 0Correct Answer:
See the Explanation.
Explanation:
1. Taint a node:
oc adm taint nodes worker-2 dedicated=vm:NoSchedule
2. Add to VM YAML:
template:
spec:
tolerations:
- key: dedicated
value: vm
effect: NoSchedule
3. VM will now schedule on tainted node.
4. Used for isolating workloads.
5. Confirm with: oc describe node worker-2
How do you test NodePort availability from an external machine?
Reveal Solution Discussion 0Correct Answer:
See the Explanation.
Explanation:
1. Get any OpenShift node's external/public IP.
2. Use the assigned NodePort in SSH or
curl: curl http://<node-ip>:<nodePort>
3. Or:
ssh user@<node-ip> -p <nodePort>
4. Ensure firewall allows external traffic to NodePort range.
How do you include a predefined DataVolume template in a custom template?
Reveal Solution Discussion 0Correct Answer:
See the Explanation.
Explanation:
1. Under dataVolumeTemplates, define DV:
dataVolumeTemplates:
- metadata:
name: rootdisk
spec:
source:
http:
url: http://<image-url>
pvc:
accessModes: [ReadWriteOnce]
resources:
requests:
storage: 10Gi
2. Refer to this DV in volumes: section.
3. Included in template and auto-created.
4. Enables automated provisioning.
How do you create an S3-compatible backup storage location for OADP?
Reveal Solution Discussion 0Correct Answer:
See the Explanation.
Explanation:
1. Create a secret with access credentials:
oc create secret generic cloud-credentials \
--from-literal=cloud=aws \
--from-literal=aws_access_key_id=<ID> \
--from-literal=aws_secret_access_key=<KEY> \
-n oadp-operator
2. Apply BackupStorageLocation:
apiVersion: velero.io/v1
kind: BackupStorageLocation
metadata:
name: default
namespace: oadp-operator
spec:
provider: aws
objectStorage:
bucket: oadp-backup
prefix: vm-backups
config:
region: us-east-1
s3Url: https://<s3-provider-url>
insecureSkipTLSVerify: "true"
How do you find out which services are listening on which ports?
Reveal Solution Discussion 0Correct Answer:
See the Explanation.
Explanation:
1. Install net-tools or
use ss: sudo ss -tuln
2. Shows ports like 22 (SSH), 80 (HTTP).
3. Use lsof -i for detailed view.
4. Helps in firewall and service configuration.
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