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Linux Foundation CKA Exam Syllabus Topics:

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

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q60-Q65):

NEW QUESTION # 60
Create a redis pod and expose it on port 6379

A. kubectl run redis --image=redis --restart=Never --port=6379
YAML File :
apiVersion: v1
kind: Pod
metadata:
labels:
run: redis
name: redis
spec:
containers:
- image: redis
name: redis
ports:
- containerPort: 6379
Rt restartPolicy: Always
B. kubectl run redis --image=redis --restart=Never --port=6379
YAML File :
apiVersion: v1
kind: Pod
metadata:
labels:
run: redis
name: redis
spec:
containers:
ports:
- containerPort: 6679
Rt restartPolicy: Alwaysf

Answer: A

NEW QUESTION # 61
List all persistent volumes sorted by capacity, saving the full kubectl output to /opt/KUCC00102/volume_list. Use kubectl 's own functionality for sorting the output, and do not manipulate it any further.

Answer:

Explanation:
solution

NEW QUESTION # 62
Create a snapshot of the etcd instance running at https://127.0.0.1:2379, saving the snapshot to the file path
/srv/data/etcd-snapshot.db.
The following TLS certificates/key are supplied for connecting to the server with etcdctl:
* CA certificate: /opt/KUCM00302/ca.crt
* Client certificate: /opt/KUCM00302/etcd-client.crt
* Client key: Topt/KUCM00302/etcd-client.key

Answer:

Explanation:

NEW QUESTION # 63
You are tasked with securing a Kubernetes cluster by implementing RBAC. Your cluster has two namespaces: 'dev' and 'prod'. You need to create a role that allows users in the 'dev' namespace to create, delete, and list deployments, but only read-only access to deployments in the 'prod' namespace. Additionally, these users should have access to create and manage ConfigMaps within both namespaces.
Create the necessary RBAC resources (Role, RoleBinding) to implement this access control policy.

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
Step 1: Create a Role for the 'dev' namespace.

Step 2: Create a Role for the 'prod' namespace.

Step 3: Create a RoleBinding in the 'dev' namespace.

Step 4: Create a RoleBinding in the 'prod' namespace.

Step 5: Apply the YAML files to the cluster.

Now, the 'dev-user' can create, delete, and list deployments within the 'dev' namespace. They can only view deployments in the 'prod' namespace. They can also create and manage ConfigMaps in both namespaces.

NEW QUESTION # 64
Create a nginx pod with label env=test in engineering namespace
See the solution below.

A. kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml > nginx-pod.yaml kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml | kubectl create -n engineering -f - YAML File:
apiVersion: v1
kind: Pod
metadata:
name: nginx
namespace: engineering
labels:
env: test
spec:
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
restartPolicy: Never
kubectl create -f nginx-pod.yaml
B. kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml > nginx-pod.yaml kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml | kubectl create -n engineering -f - YAML File:
apiVersion: v1
kind: Pod
metadata:
name: nginx
namespace: engineering
labels:
env: test
spec:
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
restartPolicy: Never
kubectl create -f nginx-pod.yaml

Answer: B

NEW QUESTION # 65
......

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