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The CKA exam is highly rigorous and requires extensive preparation. Candidates must have a deep understanding of Kubernetes architecture, networking, storage, security, and troubleshooting. CKA exam also tests the candidate's ability to work with different Kubernetes tools such as kubectl, kubeadm, etcd, and kubelet.

The CKA program is highly regarded in the industry, and individuals who have earned this certification are considered experts in Kubernetes administration. Certified Kubernetes Administrator (CKA) Program Exam certification is recognized globally and is highly valued by organizations looking for Kubernetes administrators. The CKA program is a great way for individuals to demonstrate their expertise in Kubernetes administration and enhance their career opportunities.

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q30-Q35):

NEW QUESTION # 30

Kubernetes. The microservices communicate with each other via a shared database. Explain how you would implement a strategy to manage persistent data in the database, ensuring availability and scalability for all microservices.

Answer:

Explanation:

See the solution below with Step by Step Explanation.

Explanation:

Solution (Step by Step) :

1. Use a Database with High Availability:

- Select a database system that supports high availability, such as MySQL with Galera or PostgreSQL with Patroni. These database systems can replicate data across multiple nodes, providing fault tolerance and scalability.

2. Deploy the Database as a StatefulSet:

- Create a StatefulSet for your database deployment, ensuring that each pod is assigned a unique name and volume claim. This will ensure that the database data is preserved even if pods are restarted or deleted.

3. Implement Persistent Volumes and Claims:

- Define PersistentVolumeClaims (PVCs) for each database node, requesting a storage class that provides the desired performance and resilience.

- Create corresponding PersistentVolumes (PVs) to back these PVCs, ensuring sufficient capacity and appropriate access modes.

4. Configure Microservice Pods to Access the Database:

- Configure each microservice pod to access the database using the StatefulSet's service name or a dedicated database service.

5. Utilize a Service Mesh:

- Consider deploying a service mesh like Istio to manage communication between microservices and the database. A service mesh provides features like load balancing, service discovery, and security, simplifying communication management.

6. Implement Monitoring and Alerting:

- Monitor the health and performance of both the database and microservices to quickly detect and resolve any issues. Configure alerts to notify you of critical events or failures.

7. Scale the Database as Needed:

- Use horizontal pod autoscaling (HPA) to automatically scale the database deployment based on its load. This ensures that the database can handle increasing traffic.

NEW QUESTION # 31

Create a pod named kucc8 with a single app container for each of the

following images running inside (there may be between 1 and 4 images specified):

nginx + redis + memcached.

Answer:

Explanation:

NEW QUESTION # 32

Check nodes which are ready and print it to a file /opt/nodestatus

A. JSONPATH='{range .items[*]}{@.metadata.name}:{range
@.status.conditions[*]}{@.type}={@.status};{end}{end}' \
&& kubectl get nodes -o jsonpath="$JSONPATH" | grep
"Ready=True" > /opt/node-status
//Verify
cat /opt/node-status
B. JSONPATH='{range .items[*]}{@.metadata.name}:{range
@.status.conditions[*]}{@.type}={@.status};{end}{end}' \
//Verify
cat /opt/node-status

Answer: A

NEW QUESTION # 33

Create an nginx pod and set an env value as 'var1=val1'. Check the env value existence within the pod

A. kubectl run nginx --image=nginx --restart=Never --env=var1=val1
# then
kubectl exec -it nginx -- env
# or
kubectl run nginx --restart=Never --image=nginx --env=var1=val1
-it --rm -- env
B. kubectl run nginx --image=nginx --restart=Never --env=var1=val1
# then
kubectl exec -it nginx -- env
# or
kubectl exec -it nginx -- sh -c 'echo $var1'
# or
kubectl describe po nginx | grep val1
# or
kubectl run nginx --restart=Never --image=nginx --env=var1=val1
-it --rm - env

Answer: B

NEW QUESTION # 34

Score: 7%

Task

Create a new nginx Ingress resource as follows:

* Name: ping

* Namespace: ing-internal

* Exposing service hi on path /hi using service port 5678

Answer:

Explanation:

See the solution below.

Explanation

Solution:

vi ingress.yaml

apiVersion: networking.k8s.io/v1

kind: Ingress

metadata:

name: ping

namespace: ing-internal

spec:

rules:

- http:

paths:

- path: /hi

pathType: Prefix

backend:

service:

name: hi

port:

number: 5678

kubectl create -f ingress.yaml

NEW QUESTION # 35

......

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Get Real Certified Kubernetes Administrator (CKA) Program Exam Test Guide to Quickly Prepare for Certified Kubernetes Administrator (CKA) Program Exam Exam

Using CKA New Braindumps Files Makes It As Easy As Sleeping to Pass Certified Kubernetes Administrator (CKA) Program Exam

Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q30-Q35):

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