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100% Pass Quiz Linux Foundation - High-quality CKA - Certified Kubernetes Administrator (CKA) Program Exam Top Dumps

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q56-Q61):

NEW QUESTION # 56
Create a busybox pod and add "sleep 3600" command

Answer:

Explanation:
kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c
"sleep 3600"

NEW QUESTION # 57
You must connect to the correct host.
Failure to do so may result in a zero score.
[candidate@base] $ ssh Cka000022
Task
Reconfigure the existing Deployment front-end in namespace spline-reticulator to expose port 80/tcp of the existing container nginx .
Create a new Service named front-end-svc exposing the container port 80/tcp .
Configure the new Service to also expose the individual Pods via a NodePort .

Answer:

Explanation:
Task Summary
* SSH into cka000022 #
* Modify an existing Deployment:
* Namespace: spline-reticulator
* Deployment: front-end
* Container: nginx
* Expose: port 80/tcp
* Create a Service:
* Name: front-end-svc
* Type: NodePort
* Port: 80 # container port 80
# Step-by-Step Solution
1## SSH into the correct node
ssh cka000022
## Skipping this = zero score
2## Edit the Deployment to expose port 80
kubectl edit deployment front-end -n spline-reticulator
Under containers: # nginx, add this if not present:
ports:
- containerPort: 80
protocol: TCP
# This enables the container to accept traffic on port 80.
3## Create a NodePort Service
Create a file named front-end-svc.yaml:
cat <<EOF > front-end-svc.yaml
apiVersion: v1
kind: Service
metadata:
name: front-end-svc
namespace: spline-reticulator
spec:
type: NodePort
selector:
app: front-end
ports:
- port: 80
targetPort: 80
protocol: TCP
EOF
## Make sure the Deployment has a matching label selector like app: front-end. You can verify with:
kubectl get deployment front-end -n spline-reticulator -o yaml | grep labels -A 2
4## Apply the service
kubectl apply -f front-end-svc.yaml
5## Verify
Check if the service is created and has a NodePort assigned:
kubectl get svc front-end-svc -n spline-reticulator
# You should see something like:
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
front-end-svc NodePort 10.96.0.123 <none> 80:3XXXX/TCP 10s
Where 3XXXX is your automatically assigned NodePort (between 30000-32767).
Final Command Summary
ssh cka000022
kubectl edit deployment front-end -n spline-reticulator
# Add:
# ports:
# - containerPort: 80
cat <<EOF > front-end-svc.yaml
apiVersion: v1
kind: Service
metadata:
name: front-end-svc
namespace: spline-reticulator
spec:
type: NodePort
selector:
app: front-end
ports:
- port: 80
targetPort: 80
protocol: TCP
EOF
kubectl apply -f front-end-svc.yaml
kubectl get svc front-end-svc -n spline-reticulator

NEW QUESTION # 58
Task Weight: 4%

Task
Schedule a Pod as follows:
* Name: kucc1
* App Containers: 2
* Container Name/Images:
o nginx
o consul

Answer:

Explanation:
Solution:

NEW QUESTION # 59
Create a busybox pod and add "sleep 3600" command

Answer:

Explanation:
kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c "sleep 3600"

NEW QUESTION # 60
You need to create a new role that allows users to create and delete pods, but only in the
'production' namespace. How would you define this role using the 'kubectl' command?

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Role YAML file:

2. Apply the Role to the cluster: kubectl apply -f pod-admin . yaml 3. Create a RoleBinding to associate the Role with a user or group:

The 'Role' resource defines a set of permissions for a specific namespace. The 'rules' field defines the actions allowed for the role, specifying the API groups, resources, and verbs. The 'apiGroups' field lists the Kubernetes API groups relevant to the permissions. The 'resources' field specifies the Kubernetes resources that the user can access. The 'verbs' field lists the allowed actions for the specified resources. The 'RoleBinding' associates the created 'Role' with a specific user or group, granting them the specified permissions. In this case, the role is named "pod-admin" and is scoped to the 'production' namespace. The role allows users to create and delete pods, as well as perform other actions on related resources. This example demonstrates how to manage Role-Based Access Control (RBAC) in Kubernetes. You can adjust the permissions and bindings to fit your specific security requirements.,

NEW QUESTION # 61
......

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Will Miller Will Miller

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