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The CKA Certification Exam is a hands-on, performance-based exam that tests the candidate's ability to perform various tasks related to Kubernetes. CKA exam consists of a set of practical tasks that the candidate must complete within a set time period. The tasks are designed to test the candidate's knowledge of Kubernetes and their ability to use Kubernetes to deploy, manage, and scale containerized applications.
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Linux Foundation CKA certification has become a benchmark for Kubernetes expertise in the industry. Organizations are increasingly seeking certified Kubernetes administrators to manage their Kubernetes infrastructure. Certified Kubernetes Administrator (CKA) Program Exam certification not only validates the candidate's skills but also demonstrates their commitment to keeping up with the latest industry trends and technologies. The CKA Certification provides a competitive edge to the candidate and opens up new career opportunities.
NEW QUESTION # 68
Check to see how many worker nodes are ready (not including nodes tainted NoSchedule) and write the number to /opt/KUCC00104/kucc00104.txt.
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 69
Score: 4%
Task
Create a persistent volume with name app-data , of capacity 1Gi and access mode ReadOnlyMany. The type of volume is hostPath and its location is /srv/app-data .
Answer:
Explanation:
Solution:
#vi pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: app-config
spec:
capacity:
storage: 1Gi
accessModes:
- ReadOnlyMany
hostPath:
path: /srv/app-config
#
kubectl create -f pv.yaml
NEW QUESTION # 70
Perform the following tasks:
* Add an init container to hungry-bear (which has been defined in spec file
/opt/KUCC00108/pod-spec-KUCC00108.yaml)
* The init container should create an empty file named/workdir/calm.txt
* If /workdir/calm.txt is not detected, the pod should exit
Answer:
Explanation:
* Once the spec file has been updated with the init container definition, the pod should be created See the solution below.
Explanation
solution
NEW QUESTION # 71
Check the Image version of nginx-dev pod using jsonpath
Answer:
Explanation:
See the solution below.
Explanation
kubect1 get po nginx-dev -o
jsonpath='{.spec.containers[].image}{"\n"}'
NEW QUESTION # 72
You must connect to the correct host.
Failure to do so may result in a zero score.
[candidate@base] $ ssh Cka000054
Context:
Your cluster 's CNI has failed a security audit. It has been removed. You must install a new CNI that can enforce network policies.
Task
Install and set up a Container Network Interface (CNI ) that meets these requirements:
Pick and install one of these CNI options:
Flannel version 0.26.1
Manifest:
https://github.com/flannel-io/flannel/releases/download/v0.26.1/kube-flannel.yml
Calico version 3.28.2
Manifest:
https://raw.githubusercontent.com/project calico/calico/v3.28.2/manifests/tigera-operator.yaml
Answer:
Explanation:
Task Summary
* SSH into cka000054
* Install a CNI plugin that supports NetworkPolicies
* Two CNI options provided:
* Flannel v0.26.1 (# does NOT support NetworkPolicies)
* Calico v3.28.2 # (does support NetworkPolicies)
# Decision Point: Which CNI to choose?
# Choose Calico, because only Calico supports enforcing NetworkPolicies natively. Flannel does not.
# Step-by-Step Solution
1## SSH into the correct node
ssh cka000054
## Required. Skipping this results in zero score.
2## Install Calico CNI (v3.28.2)
Use the official manifest provided:
kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.28.2/manifests/tigera-operator.yaml This installs the Calico Operator, which then deploys the full Calico CNI stack.
3## Wait for Calico components to come up
Check the pods in tigera-operator and calico-system namespaces:
kubectl get pods -n tigera-operator
kubectl get pods -n calico-system
# You should see pods like:
* calico-kube-controllers
* calico-node
* calico-typha
* tigera-operator
Wait for all to be in Running state.
# (Optional) 4## Confirm CNI is enforcing NetworkPolicies
You can check:
kubectl get crds | grep networkpolicy
You should see:
* networkpolicies.crd.projectcalico.org
* This confirms Calico's CRDs are installed for policy enforcement.
Final Command Summary
ssh cka000054
kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.28.2/manifests/tigera-operator.yaml kubectl get pods -n tigera-operator kubectl get pods -n calico-system kubectl get crds | grep networkpolicy
NEW QUESTION # 73
......
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