Part 5 | Most Important CKA Question | Certified Kubernetes Administrator | Upgrade K8s Cluster
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Question 12 - Upgrade the Cluster (Master and worker Node) from 1.18.0 to 1.19.0. Make sure to first drain both Node and make it available after upgrade.
Question 11 - Worker Node “node01” not responding, Debug the issue and fix it.
Question 10 - Create a Persistent Volume with the given specification.
Volume Name: pv-demo
Storage:100Mi
Access modes: ReadWriteMany
Host Path: /pv/host-data
Question 9 - Use JSON PATH query to retrieve the oslmages of all the nodes and store it in a file “all-nodes-os-info.txt” at root location.
Note: The osImage are under the nodeInfo section under status of each node.
Question 8 - Get the node node01 in JSON format and store it in a file at ./node-info.json
Question 7 - Create a pod called test-pod in "custom" namespace belonging to the test environment (env=test) and backend tier (tier=backend). image: nginx:1.17
Question 6 - Create a pod called pod-multi with two containers, as given below:
Container 1 - name: container1, image: nginx
Container2 - name: container2, image: busybox, command: sleep 4800
Question 5 - Create a static pod on node01 called static-pod with image nginx and you have to make sure that it is recreated/restarted automatically in case of any failure happens
Question 4 - Deploy a web-nginx pod using the nginx:1.17 image with the labels set to tier=web-app.
Question 3 - Create a new deployment called my-deployment. Scale the deployment to 3 replicas.
Make sure desired number of pod always running.
Question 2 - Create a new deployment called myproject, with image nginx:1.16 and 1 replica. Next upgrade the deployment to version 1.17 using rolling update. Make sure that the version upgrade is recorded in the resource annotation.
Question 1 - Create a new pod called web-pod with image busybox Allow the pod to be able to set system_time. The container should sleep for 3200 seconds
This is a video of all the exam questions I have ever asked. If you are preparing to take the CKA, or if you are taking the CKA, then this video is for you. I hope it helps!
This is the first of three videos where I discuss a module of questions from the Certified Knowledge Architect (CKA) exam. These questions provide good examples of what to expect on the exam and how to answer them. There's a ton I could say about the CKA, but in this video I keep it high level and superficially examine the exam to determine what topics will be covered in detail later on.
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Пікірлер: 39
9 mins went in single blink of eye
After completion of one question, how to move the base node ? or can we move directly to the 2nd question and paste the "kubectl config" command from the next question?
Thanks for the video. Appreciate it🎉
@iajeetkhan
Жыл бұрын
I am glad it was useful. Please like the video and subscribe the channel as I am going to post more videos soon. Thanks 🙏🏻
@iajeetkhan
Жыл бұрын
Here is part-6 - kzread.info/dash/bejne/nYyjyq6amZvQibQ.html
@iajeetkhan
Жыл бұрын
Enjoy! Part 7 has been released - kzread.info/dash/bejne/kW2GvKibeK7Wiqg.html
@iajeetkhan
Жыл бұрын
Thanks for your support. Here is a gift for you - A free coupon to enroll in my Udemy Course - www.udemy.com/course/performance-optimization-tuning-tcpip-nginx-linux/?couponCode=THANKS
@Nand_Snowwhite
Жыл бұрын
@@iajeetkhan so nice of you. Thank you !
According to the documentation, you don't need to drain the node for upgrading the kubeadm. Is there a reason that you did that first? It should only be necessary when you upgrade the kubelet or kubectl from my understanding. This would reduce node downtime.
In exam environment , for upgrade 1>do we need to ssh controlplane & 2> does command execution of apt-mark unhold kubeadm && apt-get update && apt-get install -y kubeadm=1.26.x-00 && apt-mark hold kubeadm need sudo -i ?? 3> Also when we drain controlplane node using k drain controlplane --ignore-daemonsets --force PODs in -n kube-system would not be evicted right?
@iajeetkhan
Жыл бұрын
Yes, you will need to ssh to node or controlplane as and when required. You can ignore(skip)the unhold command. Yes, the pods in kube-system won’t be evicted as we are not specifying the namespace.
We should attempt this question in the beginning or at the end of the exam or just follow the order this question will appear. I am asking this because in case the cluster version upgrade fails the cluster may not be in a state to be worked on to answer the rest of the questions.
@iajeetkhan
8 ай бұрын
You can attempt it in any order. The exam environment is independent of the cluster you will be asked to upgrade. So don't worry about the failure.
Can this kubernetes version upgrade on whole K8s cluster control and worker nodes be in exam. It's little bit lengthy process, wondering this may even come in exam
@iajeetkhan
6 ай бұрын
It is an important question and it always come in the exam. It is lengthy but if you practice and able to find and follow the documentation quickly then you will be able to complete this question.
@rahilshafi2433
6 ай бұрын
@@iajeetkhan Brother any chance of receiving discounted voucher code of CKA exam fee? Do you know 50% off may come in upcoming months?
Waiting for next CKA video
@iajeetkhan
Жыл бұрын
Next video coming in a week. Thanks for your love and support 🙏🏻🙏🏻🙏🏻
@iajeetkhan
Жыл бұрын
Here is part-6 - kzread.info/dash/bejne/nYyjyq6amZvQibQ.html
@iajeetkhan
Жыл бұрын
Enjoy! Part 7 has been released - kzread.info/dash/bejne/kW2GvKibeK7Wiqg.html
@iajeetkhan
Жыл бұрын
Here is part 10 for you - kzread.info/dash/bejne/ha6f0sR9f62YYLg.html
Share us the links
Hello sir, Since you were updated kubelet version only, why didn't you install "kubectl" version along with kubelet (apt install -y kubelet=1.19.x-00 kubectl=1.19.x-00)? is it not mandatory? And Thanks for your videos , explanation and content is great. appreciate your efforts.
@iajeetkhan
Жыл бұрын
You can do that. For the sake of simplicity and demo purpose I have kept it like that. The demo is to give people a feel of real exam and questions, however you can solve the questions as per your comfort level and expertise. Please like the video and stay subscribed for upcoming videos. Thanks 🙏🏻🙏🏻🙏🏻
@iajeetkhan
Жыл бұрын
Enjoy! Part 7 has been released - kzread.info/dash/bejne/kW2GvKibeK7Wiqg.html
@user-hy2pd4zf5b
Жыл бұрын
@@iajeetkhan Thank you sir for the quick video.
@iajeetkhan
Жыл бұрын
Thanks for your support. Here is a gift for you - A free coupon to enroll in my Udemy Course - www.udemy.com/course/performance-optimization-tuning-tcpip-nginx-linux/?couponCode=THANKS
how many marster nodes we should upgrade during the exam
@iajeetkhan
11 ай бұрын
It will be mentioned in the question. However, generally, it is just one master and one worker node asked to be upgraded.
Hello sir , I am working as an Assistant Manager in DevOps role in MNC and hold a experience of 1.2 years … Currently looking for a switch.. I am confused between do188 and CKA exam selection I want to complete various certifications such CKA , etc Can you please guide me for purchasing exams if you have any idea about any vouchers available
@iajeetkhan
Жыл бұрын
Pls follow me and msg me on Twitter
@abbeyowo4136
Жыл бұрын
Thank you for the video. They are life saver
@iajeetkhan
Жыл бұрын
@@abbeyowo4136 glad it helped. Please like and subscribe as i will be uploading more videos soon. Thanks
@iajeetkhan
Жыл бұрын
Enjoy! Part 7 has been released - kzread.info/dash/bejne/kW2GvKibeK7Wiqg.html
@iajeetkhan
Жыл бұрын
Thanks for your support. Here is a gift for you - A free coupon to enroll in my Udemy Course - www.udemy.com/course/performance-optimization-tuning-tcpip-nginx-linux/?couponCode=THANKS
the steps are not the same as in the documentation