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Linux Foundation CKA Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Troubleshooting	30%	- Understand how to monitor applications - Troubleshoot networking - Troubleshoot cluster component failure - Evaluate cluster and node logging - Manage container stdout & stderr logs - Troubleshoot application failure
Topic 2: Workloads & Scheduling	15%	- Use ConfigMaps and Secrets to configure applications - Understand how scheduler works - Understand Static Pods - Use label selectors to schedule Pods - Understand how to run multiple schedulers and configure scheduler policies - Understand DaemonSets - Understand Deployments and rolling update/rollback - Understand resource limits and requests
Topic 3: Cluster Architecture, Installation & Configuration	25%	- Manage the lifecycle of Kubernetes clusters - Create and manage Kubernetes clusters using kubeadm - Understand CRDs, install and configure operators - Implement and configure a highly-available control plane - Manage role based access control (RBAC) - Prepare underlying infrastructure for installing a Kubernetes cluster - Understand extension interfaces (CNI, CSI, CRI, etc.) - Use Helm and Kustomize to install cluster components
Topic 4: Storage	10%	- Understand how to configure applications with persistent storage - Understand persistent volume claims primitive - Understand volume mode, access modes and reclaim policies - Understand Storage Classes and Persistent Volumes
Topic 5: Services & Networking	20%	- Know how to use Ingress controllers and Ingress resources - Use the Gateway API to manage Ingress traffic - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Understand connectivity between Pods - Understand and use CoreDNS - Define and enforce Network Policies

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q52-Q57):

NEW QUESTION # 52
Create a busybox pod and add "sleep 3600" command

Answer:

Explanation:
See the solution below.
Explanation
kubectl run busybox --image=busybox --restart=Never -- /bin/sh -c
"sleep 3600"

NEW QUESTION # 53
Create a namespace called 'development' and a pod with image nginx called nginx on this namespace.

Answer:

Explanation:
kubectl create namespace development
kubectl run nginx --image=nginx --restart=Never -n development

NEW QUESTION # 54
Create a pod with image nginx called nginx and allow traffic on port 80 See the solution below.

Answer:

Explanation:
kubectl run nginx --image=nginx --restart=Never --port=80

NEW QUESTION # 55
Create a busybox pod which executes this command sleep 3600 with the service account admin and verify

A. kubectl run busybox --image=busybox --restart=Always --dry-run
-o yaml -- /bin/sh -c "sleep 3600" > busybox.yml
// Edit busybox.yaml file
apiVersion: v1
kind: Pod
metadata:
creationTimestamp: null
labels:
run: busybox
name: busybox
spec:
serviceAccountName: admin
containers:
- args:
- /bin/sh
- -c
- sleep 3800
image: busybox
name: busybox
restartPolicy: Always
// verify
K kubectl describe po busybox
B. kubectl run busybox --image=busybox --restart=Always --dry-run
-o yaml -- /bin/sh -c "sleep 3600" > busybox.yml
// Edit busybox.yaml file
apiVersion: v1
kind: Pod
metadata:
creationTimestamp: null
labels:
run: busybox
name: busybox
spec:
serviceAccountName: admin
containers:
- args:
- /bin/sh
- -c
- sleep 3600
image: busybox
name: busybox
restartPolicy: Always
// verify
K kubectl describe po busybox

Answer: B

NEW QUESTION # 56
Undo/Rollback deployment to specific revision "1"

A. // Check Deployment History
kubectl rollout history deployment webapp
kubectl rollout undo deploymet webapp --to-revision=1
B. // Check Deployment History
kubectl rollout history deployment webapp
//Rollback to particular revision
kubectl rollout undo deploymet webapp --to-revision=1

Answer: B

NEW QUESTION # 57
......

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