[2026] Pass RedHat EX316 Premium Files Test Engine pdf - Free Dumps Collection
New 2026 Realistic EX316 Dumps Test Engine Exam Questions in here
NEW QUESTION # 186
How do you clone a virtual machine using the OpenShift Web Console?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Go to Virtualization VirtualMachines.
2. Click the kebab menu next to the target VM Select Clone.
3. Enter the new VM name.
4. (Optional) Edit disks, CPU, memory, and network.
5. Click Clone Virtual Machine Verify new VM creation.
NEW QUESTION # 187
How do you manually migrate all VMs off a node prior to drain?
Answer:
Explanation:
See the Explanation.
Explanation:
1. List VMIs on the node:
oc get vmi -A -o wide | grep <node-name>
2. For each VM:
virtctl migrate <vm-name>
3. Wait for migration: oc get vmim -w
4. Confirm node no longer hosts any VMIs.
5. Proceed with oc adm drain.
NEW QUESTION # 188
How do you clean up a VM template and all its associated resources?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Delete the template: oc delete template <name>
2. Optionally delete related PVCs, DataVolumes.
3. List templates with oc get templates
4. Ensure no VMs still use it.
5. Clean practice for template lifecycle.
NEW QUESTION # 189
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 # 190
How do you start a service (e.g., httpd) in the VM OS?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Open the VM console or SSH into the VM.
2. Run:
sudo systemctl start httpd
3. Confirm service
started: systemctl is-
active httpd
4. Output should be active.
5. Service is now running.
NEW QUESTION # 191
How do you verify the PVCs created from a VM snapshot restore?
Answer:
Explanation:
See the Explanation.
Explanation:
1. After restore: oc get pvc -l snapshot.kubevirt.io/restore-name=<restore-name>
2. Check status and sizes: oc describe pvc <name>
3. Ensure they match original PVCs.
4. Confirm bound state.
5. Mounted automatically to restored VM.
NEW QUESTION # 192
How do you delete a ClusterIP service for a VM?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Run: oc get svc
2. Delete service: oc delete svc <service-name>
3. Confirm deletion: oc get svc
4. Ensure VM is no longer accessible via DNS or service.
5. Clean up unused YAMLs if stored.
NEW QUESTION # 193
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 # 194
How do you handle conflicts during cloning (e.g., duplicate disk names)?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Rename disks and PVCs during cloning.
2. Use metadata.name overrides for DV.
3. Avoid using original VM name in disk names.
4. Review cloned VM YAML before applying.
5. Prevents import failures.
NEW QUESTION # 195
How do you restrict one user to only view a specific VM?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Create a Role with only get and list for VM.
2. Use a resourceName to restrict to one VM:
rules:
- apiGroups: ["kubevirt.io"]
resources:
["virtualmachines"]
resourceNames: ["test-
vm"] verbs: ["get"]
3. Bind role to user: oc create rolebinding limited-vm-view --role=view-single --user=username
NEW QUESTION # 196
How do you live attach a disk to a running VM (if hotplug is enabled)?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Create PVC for the disk.
2. Use:
virtctl addvolume <vm-name> --volume-name hotplug-disk --persist
3. Monitor attachment: oc describe vmi <vm-name>
4. Access inside VM: lsblk, dmesg
5. Detach with virtctl removevolume.
NEW QUESTION # 197
How do you enable access to a VM for another user in the same namespace?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Create a Role granting access to VMs:
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
namespace: default
name: vm-user-access
rules:
- apiGroups: ["kubevirt.io"]
resources: ["virtualmachines", "virtualmachineinstances"]
verbs: ["get", "list", "watch", "start", "stop", "restart"]
2. Bind role to user:
oc create rolebinding user-vm-access --role=vm-user-access --user=<username> --namespace=default
NEW QUESTION # 198
How do you validate that a restored VM matches its snapshot state?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Start the restored VM: virtctl start <restored-vm>
2. Access it via console or SSH.
3. Check file contents, installed packages, config files.
4. Compare to original pre-snapshot state (if logs available).
5. Ensures point-in-time accuracy.
NEW QUESTION # 199
How do you configure HTTPS route termination for a VM's web service?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Create route with TLS:
tls:
termination: edge
2. Attach to service running on port 443 (HTTPS).
3. Use OpenShift Ingress default cert or your own.
4. Apply route.
5. Access with https://<hostname>.
NEW QUESTION # 200
How do you configure the DataProtectionApplication (DPA) custom resource?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Define the DPA CR:
apiVersion: oadp.openshift.io/v1alpha1
kind: DataProtectionApplication
metadata:
name: dpa
namespace: oadp-operator
spec:
configuration:
velero:
defaultPlugins:
- aws
- csi
backupLocati
ons:
- velero: provider:
aws bucket:
oadp-backup
config:
region: us-east-1
s3Url: https://<s3-
endpoint> credential:
key: cloud
name: cloud-credentials
2. Apply the DPA CR.
3. Check Velero pod is running: oc get pods -n oadp-operator
NEW QUESTION # 201
How do you update all installed packages on the VM?
Answer:
Explanation:
See the Explanation.
Explanation:
1. RHEL/CentOS: sudo
dnf update -y
2. Debian/Ubuntu:
sudo apt update && sudo apt upgrade -y
3. Reboot if kernel or critical packages updated.
4. Validate with rpm -qa or dpkg -l.
5. Ensures VM is patched and secure.
NEW QUESTION # 202
How do you test node drain compatibility with VM live migration?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Start a VM on a worker node.
2. Drain the node:
oc adm drain <node> --ignore-daemonsets --delete-emptydir-data
3. Observe that VM is migrated automatically.
4. Check oc get vmi to verify node change.
5. Ensures seamless upgrades or patching.
NEW QUESTION # 203
How do you configure a readiness probe to detect when the VM is ready to serve traffic?
Answer:
Explanation:
See the Explanation.
Explanation:
1. In the VM YAML, under readinessProbe:
readinessP
robe:
tcpSocket:
port: 22
initialDelaySeconds: 10
periodSeconds: 5
2. Ensure SSH (port 22) is enabled in the guest.
3. Kubernetes will not send traffic to this VM until it passes.
4. Improves service-level health checking.
5. Useful with Services and Routes.
NEW QUESTION # 204
How do you verify NMState is managing your nodes?
Answer:
Explanation:
See the Explanation.
Explanation:
1. List all NMStateConfig objects: oc get nmstateconfigs
2. Check if one exists per worker/master node.
3. View config: oc describe nmstateconfig <node-name>
4. Confirm node labels: nmstate.io/node-network-config=true
5. Validate status using: oc get nncp (NodeNetworkConfigurationPolicy)
NEW QUESTION # 205
How do you verify that snapshot capability is enabled in the cluster?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Run: oc get volumesnapshotclass
2. Ensure at least one CSI-compatible VolumeSnapshotClass exists.
3. Verify deletionPolicy is set to Delete or Retain.
4. Run: oc get volumesnapshot to check existing snapshots.
5. Confirm snapshot CRDs are installed.
NEW QUESTION # 206
How do you make sure that a VM disk is encrypted at rest?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Use a storage class that supports encryption (e.g., Ceph or CSI driver).
2. Confirm with:
oc get sc <sc-name> -o yaml | grep encryption
3. Ensure PVC uses that class.
4. Use CSI secrets if required.
5. Validate with provider documentation.
NEW QUESTION # 207
How do you schedule VMs to specific nodes?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Label node: oc label node worker-1 vm-node=yes
2. Add nodeSelector to VM:
spec:
template:
spec:
nodeSelector:
vm-node: "yes"
3. Apply changes and restart VM.
NEW QUESTION # 208
How do you configure MTU size for a Multus bridge interface via NMState?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Extend NMState policy:
interfaces:
- name: br-ext
type: linux-bridge
mtu: 1400
2. Apply to target node.
3. Confirm on node: ip link show br-ext
4. Validate from VM using ip link inside console.
5. Tune if needed based on physical infra.
NEW QUESTION # 209
How do you expose a VM to a custom domain using an Ingress controller instead of Route?
Answer:
Explanation:
See the Explanation.
Explanation:
1. Create a ClusterIP service for the VM.
2. Define an Ingress object pointing to that service.
3. Example:
rules:
- host:
myapp.example.com
http:
paths:
-
path: /
back
end:
service:
name: vm-
service port:
number: 80
4. Ensure DNS resolves to Ingress controller IP.
5. Test with curl myapp.example.com.
NEW QUESTION # 210
How do you find out which services are listening on which ports?
Answer:
Explanation:
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.
NEW QUESTION # 211
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