Senior Devops Engineer Interview Questions

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Dhruva Second Round 1. Discussion on past projects and devops tasks and contribution 2. When working with any open source technology, what would you do when you have challanges/issues with open source tools, discusson on mitigation plans for different scenarios 3. how is the continuous delivery and deployment is setup is your project, discussion and questions around that 4. how to do build management, discussions on it. 5. difference in a webserver and application server. 6. I have 2 app servers running with multiple microservices, A and B, find ports and services running on server A from server B. 7. A regularly used EC2 instance is switched on in morning and shutdown in evening by team members. One day after starting it they are not able to connect to it. what could be he possible issues and debug steps to fix it. 8. the maximum size disk we can use in a cloud vm, AWS or Azure 9. A ec2 instanc has a microservices based application deployed in docker containers, how do i check the memory/cpu utilisations by the containers, how can i adjust them, what happens when i run out of resource when a service suddenly requests more memory/cpu then on the instance. 10. In a 3 tier application (db server, web server, app server), how would you design the infra for pods, containers. how many pods/containers will be needed considering High avalibility requirement, how will you structure it. 11. on what factors we deside how much memory should be allocated to each service and what scaling method to use for what kind of service. 12. for the db server, how will you design it so that we never lose the data in case of a crash or unforseen issues. don't use a external storage service like, s3 or storage service 13. discussions on cost management. 14. Design a process to manage cost of 1000 EC2 instances. you should be able to monitor cost of each instance, instances have various applications, we should have custom categories for application wise cost,cost mapping to project and employee, restrict resource creations based on certain rules, have alearts etc. 15. How do you enforce the resource provisioning and usage restrictions for different resources 16. what is Amortize and unamortized cost. 17. According to you, what is the philosophy behind aggressive pricing in cloud once you transition to it. 18. how do you do cloud cost projection and estimation for your project and measures to control it. 19. I have 1000s of VMs that needs to be patched every weekend, these are running in a private vpc, design a solution for it. 16. In a 3 tier application (db server, web server, app server with multiple microservices), give the design of network components and its configuration, consider the internal network to be completly private and the webserver should have a external ip for public access.
avatar

Senior DevOps Engineer

Interviewed at Druva

3.9
Aug 6, 2024

Dhruva Second Round 1. Discussion on past projects and devops tasks and contribution 2. When working with any open source technology, what would you do when you have challanges/issues with open source tools, discusson on mitigation plans for different scenarios 3. how is the continuous delivery and deployment is setup is your project, discussion and questions around that 4. how to do build management, discussions on it. 5. difference in a webserver and application server. 6. I have 2 app servers running with multiple microservices, A and B, find ports and services running on server A from server B. 7. A regularly used EC2 instance is switched on in morning and shutdown in evening by team members. One day after starting it they are not able to connect to it. what could be he possible issues and debug steps to fix it. 8. the maximum size disk we can use in a cloud vm, AWS or Azure 9. A ec2 instanc has a microservices based application deployed in docker containers, how do i check the memory/cpu utilisations by the containers, how can i adjust them, what happens when i run out of resource when a service suddenly requests more memory/cpu then on the instance. 10. In a 3 tier application (db server, web server, app server), how would you design the infra for pods, containers. how many pods/containers will be needed considering High avalibility requirement, how will you structure it. 11. on what factors we deside how much memory should be allocated to each service and what scaling method to use for what kind of service. 12. for the db server, how will you design it so that we never lose the data in case of a crash or unforseen issues. don't use a external storage service like, s3 or storage service 13. discussions on cost management. 14. Design a process to manage cost of 1000 EC2 instances. you should be able to monitor cost of each instance, instances have various applications, we should have custom categories for application wise cost,cost mapping to project and employee, restrict resource creations based on certain rules, have alearts etc. 15. How do you enforce the resource provisioning and usage restrictions for different resources 16. what is Amortize and unamortized cost. 17. According to you, what is the philosophy behind aggressive pricing in cloud once you transition to it. 18. how do you do cloud cost projection and estimation for your project and measures to control it. 19. I have 1000s of VMs that needs to be patched every weekend, these are running in a private vpc, design a solution for it. 16. In a 3 tier application (db server, web server, app server with multiple microservices), give the design of network components and its configuration, consider the internal network to be completly private and the webserver should have a external ip for public access.

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