Authentic RedHat EX316 Exam Dumps PDF - 2026 Updated
Get Prepared for Your EX316 Exam With Actual 340 Questions
NEW QUESTION # 194
How do you ensure a VM can only run on a specific node using nodeSelector?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Label the node:
oc label node worker-2 node-type=fast
2. Add to VM YAML:
template:
spec:
nodeSelector:
node-type: fast
3. Apply and start the VM.
4. Confirm with: oc get vmi -o wide
5. VM will only schedule on nodes with that label.
NEW QUESTION # 195
How do you simulate readiness failure to observe probe behavior?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Inside VM, stop the service monitored by readinessProbe.
2. Run:
systemctl stop sshd
3. Watch oc describe vmi for readiness change.
4. VM will be marked as NotReady in endpoints.
5. Traffic stops until service is restored.
NEW QUESTION # 196
How do you create a snapshot of a running virtual machine using CLI?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Define the snapshot YAML:
apiVersion: snapshot.kubevirt.io/v1alpha1
kind: VirtualMachineSnapshot
metadata:
name: test-vm-snap
namespace: default
spec:
source:
name: test-vm
kind: VirtualMachine
2. Apply: oc apply -f vm-snapshot.yaml
3. Monitor with: oc get vmsnapshot test-vm-snap -o yaml
4. Wait for status.readyToUse: true
5. Confirm snapshot appears in oc get volumesnapshots.
NEW QUESTION # 197
How do you access a VM's console using the CLI?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Install virtctl:
curl -LO https://github.com/kubevirt/kubevirt/releases/download/v1.0.0/virtctl-v1.0.0-linux-amd64 chmod +x virtctl-v1.0.0-linux-amd64 && mv virtctl* /usr/local/bin/virtctl
2. Run: virtctl console test-vm
3. Hit Enter to activate the console.
4. Use credentials to log in if required.
5. Press Ctrl+] to exit.
NEW QUESTION # 198
How do you find which VolumeSnapshotClass is used for a VM snapshot?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Get VM snapshot:
oc get vmsnapshot <name> -o yaml
2. Follow status.virtualMachineSnapshotContentName
3. Inspect content's volume snapshot source.
4. Cross-check volumeSnapshotClassName.
5. Compare with oc get volumesnapshotclass.
NEW QUESTION # 199
How do you configure health probes using the Web Console?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Go to Virtualization VirtualMachines <VM>
2. Click YAML or Details Edit Configuration
3. Add livenessProbe and/or readinessProbe under spec.template.spec
4. Save and restart the VM.
5. Validate health check results via Events tab.
NEW QUESTION # 200
How do you test NodePort availability from an external machine?
Answer:
Explanation:
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.
NEW QUESTION # 201
How do you create a backup for a virtual machine using Velero CLI?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Run:
velero backup create vm-backup --include-namespaces <vm-namespace> --wait
2. Add --snapshot-volumes if CSI snapshots are supported.
3. Confirm backup: velero backup get
4. View logs: velero backup logs vm-backup
5. Backup stored in S3 or compatible storage.
NEW QUESTION # 202
How can you test that the virtualization API is responding?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Run: oc get apiservices v1.kubevirt.io
2. Check conditions: Available=True
3. Access API with:
oc proxy &
curl http://localhost:8001/apis/kubevirt.io/v1/namespaces/openshift-cnv/virtualmachines
4. Validate JSON response.
5. Kill the proxy process.
NEW QUESTION # 203
How do you clone an existing VM into a new one?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Export the YAML of the existing VM: oc get vm old-vm -o yaml > new-vm.yaml
2. Change metadata name and disk names in the YAML.
3. Apply the new definition: oc apply -f new-vm.yaml
4. Update DataVolume if cloning disk: oc create dv or use volume import.
NEW QUESTION # 204
How do you check the assigned NodePort of a service?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Run:
oc get svc nodeport-svc -o jsonpath='{.spec.ports[0].nodePort}'
2. Or, describe the
service: oc describe svc
nodeport-svc
3. Look under Port and NodePort fields.
4. Use the IP of any worker node with the NodePort to access the VM.
5. Confirm service is working.
NEW QUESTION # 205
How do you observe real-time migration during node drain?
Answer:
Explanation:
See the Explanation.
Explanation:
1. In one
terminal: oc
get vmim -A -w
2. In another:
oc adm drain <node> --ignore-daemonsets --force --delete-emptydir-data
3. Watch migrations appear and disappear.
4. Validate that VM workloads shift to other nodes.
5. Monitor for errors or blockages.
NEW QUESTION # 206
How do you monitor OVA import progress via CDI logs?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Run:
oc logs -f pod/<importer-pod-name> -n <vm-namespace>
2. Filter pods: oc get pods -l cdi.kubevirt.io
3. Logs show image import status and errors.
4. Useful for debugging format or URL issues.
5. Snapshot when completed.
NEW QUESTION # 207
How do you create a LoadBalancer service to expose a VM (if your cloud provider supports it)?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Create YAML:
apiVersion: v1
kind: Service
metadata:
name: vm-lb
spec:
type: LoadBalancer
selector:
kubevirt.io/domain: vm1
ports:
- protocol: TCP
port: 22
targetPort: 22
2. Apply with oc apply -f service.yaml
3. Wait for external IP: oc get svc vm-lb
4. Test connection to the LoadBalancer IP.
NEW QUESTION # 208
How do you configure a node to be dedicated for virtual machine workloads?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Add label: oc label node <node> kubevirt.io/schedulable=true
2. Add taint: oc adm taint nodes <node> dedicated=virtualization:NoSchedule
3. Use nodeSelector in VM manifests.
4. Test deployment of VM on this node.
5. Monitor VM pod placement using oc describe vm <vm-name>
NEW QUESTION # 209
......
Accurate & Verified New EX316 Answers As Experienced in the Actual Test!: https://realdumps.prep4sures.top/EX316-real-sheets.html