Free RedHat EX316 Exam Dumps Questions & Answers

See the Explanation.
Explanation:
1. Use cloud-init to override
routing: gateway4:
192.168.100.1
2. Make sure eth1 (Multus) gets default route.
3. Delete route from eth0 (pod) if needed.
4. Run ip route in VM to confirm.
5. Internet traffic will now use Multus.

See the Explanation.
Explanation:
1. Create a Service YAML:
apiVersion: v1
kind: Service
metadata:
name: vm-service
namespace: default
spec:
selector:
kubevirt.io/domain: test-vm
ports:
- protocol: TCP
port: 22
targetPort: 22
type: ClusterIP
2. Apply it: oc apply -f vm-service.yaml
3. Verify with: oc get svc vm-service
4. Use ping vm-service or SSH from another pod.

See the Explanation.
Explanation:
1. Label all VMs with a shared selector:
oc label vm vm1 app=web && oc label vm vm2 app=web
2. Create service:
spec:
selector:
app: web
ports:
- port: 80
targetPort: 80
3. Apply service.
4. Traffic to service IP will round-robin between VMs.
5. Use a test pod to validate curl <svc-ip>.

See the Explanation.
Explanation:
1. Run:
oc get vm <vm-name> -o jsonpath='{.spec.runStrategy}'
2. Common values include Always, Manual, RerunOnFailure, or Halted.
3. Alternatively, describe the VM:
oc describe vm <vm-name>
4. Look under RunStrategy section.
5. This determines the automatic start behavior of the VM.

See the Explanation.
Explanation:
1. Create a YAML:
apiVersion: nodemaintenance.kubevirt.io/v1
kind: NodeMaintenance
metadata:
name: maintenance-worker-1
spec:
nodeName: worker-1
2. Apply: oc apply -f node-maintenance.yaml
3. Monitor: oc get nodemaintenance
4. VMs should auto-migrate off the node.
5. Node is now in maintenance mode.