Kubernetes interview questions & Answers
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- Опубликовано: 1 окт 2021
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k8s interview questions.
Link to Vikram's Channel - / devopsmadeeasy
Github Link for all resources: github.com/DeekshithSN
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Tremendous effort. Thanks for sharing. Below is the summary of questions for instant reference
1. Why do we need container orchestration.
1.1 What is container Runtime
1.2 What are different container orchestration tools (K8s, docker swarm)
2. Why Kubernetes and not Docker swarm or something else (Details here 15 mins went here)
3. Designing High Availability for Master nodes !
3.1 Quorum concept for leader selection
4. What type of HA architecture havae you managed in terms of high availability or otherwise
5. What is the Kubernetes Version you are running
6. How do you get configuration information for different clusters
7. When you issue a kubectl command, what happens behind the scenes. Can you please run us through
8. What are the different types of Objects in k8s. How to get the list of objects installed in the cluster
9. Do we have some means of getting documentation of the resources in offline mode
10. Designing an application having two sets of services: Front end Service, Backend Service and DB Service. Share best practices and architecture
11. Discuss aboout Stateful set and deployments in k8s
12. Share object used for scaling up the pods, say, in case of load increase
13. Discuss about Restart Policies as part of yaml files
14. Discuss different status of Pods. Like Pending status
15. How to resolve specific issues related to Pod status like OOM. Debugging approach based on the pod status
16. What is the concept of Image pullback / something similar
17. Can a Pod have multiple containers
18. Scenario: Very huge file, present in s3. User wish to download the file. Application Image can not handle it directly. It has to be downloaded and made available to the Pod. ....Concept of Init containers here
19. Scenario: Central logging system. Want to use that system. Discuss the pattern used. .....Concept of sidecar Pattern
20. Discussion on best practice of having smallest possible Image size...
20.1. Discussion on Ephemeral containes. Concept here
21. Scenario: Your application need to talk to some legacy application. Need to reduce the Image size.. Pattern to be used here to be discussed such as Ambassador pattern
22. Scenario: App B to communicate with App A using some endppoint. API A would give Json output, App B needs xml format. How to resolve this stalemate. Concept of Adapter / exporters container discussed !
23. What is the use of Replicaset / deployment
24. How to rollback to previous versions
25. Different deployment strategies in k8s. Pros and Cons for each of them
Thanks
Plz share the answers also?
Very helpful. Like the format where you have Deekshit and Vikram, asking and answering the questions. Also like the practical use cases presented, and their solutions
no words for the guy's knowledge he explained k8 architecture like no one else!!
Great work you both are doing ...we want more videos like this on Terraform ,AWS..
very good summary of all kubernetes infrastructure. Thanks for such a detailed video explaining usecases of core concepts
Thanks Deekshith. You are really doing a great job. This video lets one know how to answer the questions. Waiting for many such videos. Could also do a session on monitoring tools, interview questions and answers etc.
Wonderful session. Keep rocking DEEKSHITH
Good one ☝🏽 I found passion towards kubernetes through Deekshith..
Excellent Video Deekshit and Vikram, Really great Job
Very Useful for devops session on k8s. Thanks
Thanks for the video @Deekshith SN.
Best explanation ever saw over kubernetes architecture
Very nice work..well done guys!
Hi, Vikram and Deeshit Thank you very much ....
Very informative thanks for making this video 💯💯💯
Great initiative for kubernetes interview series and well enough explanation by Vikram. Thanks Deekshith
Agree....
Excellent session Deekshit and Vikram. Requesting you to create more for Jenkins, Aws and Terraform.
Amazing efforts both❤️
Thank you! I learnt a lot from this video. Wishing you guys the best!
Glad you enjoyed it!
excellent session... small request if u add subtitles it would be better
Thanks to deekshith and vikram
Much elaborated k8 Architecture 🙏
Nice video pls upload more devops videos
Thanks Deekshith and Vikram for this session. Super useful. Learned a lot.
Glad to hear that!!, Thanks for watching :)
Keep going Dee.. Good collab..
Fabulous explanation which help job seekers in wonderful way & thanks for doing it 🤝🤝👌😀👏🏻
Thanks for watching, glad it helped you 😊 😊
Vikram and deekshit very helpful video
Is this a tutorial class lecture or an interview
I mean the candidate is 😮 amazing
Loved his explanation and flow
Very informative interview session 👍
This is the most helpful video you would come across for cracking your devops interview. PS please try to make videos like this more often 😊😊
Thank you! Will do more and more like this :)
great content thanks a lot
Great job, and thanks for tremendous information and explanation❤❤❤❤
Glad it was helpful!
best video to encapsulate all knowledge abt k8s❤
Glad to hear that
Awesome
After long time
Love you so much dear
Good Session
Hi Video is good. But can you please turn on the subtitles
Hello, can you make some videos on Istio and calico ? Thanks.
very good but too lengthy... try to keep it small video(max 30mins) and more precise answers (viewers who need basics.. they will refer your videos)
usually most of the senior roles like 12-15+years exp interviewer expects precise and more weighted answers (need to use better/appropriate english words)
amazing session ,
Glad you enjoyed it!
Very useful
Glad to hear that
I heard this from this video said in the interview also that we will have odd number of masters in prod
but the interviewer asked - what if there isn't any worker, only one master is there and that itself went down, what would you do
I went blank😕, couldn't answer
Need a tutorial for cubejs on k8s
r u conducting any batch on devops ??
Thank you so much!!
for how much experienced candidates??
How can join ur class for interviews purposes
8:20
echo "you are selected for some abc company"
Nice job sir✌️
But there is a mistake @34.08. Apiversion for pod is V1 not apps/v1
Thank you for this video sir