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Cloud Devops Engineer Interview Questions

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266 cloud devops engineer interview questions shared by candidates

Q1. Questions Based on DevOps tools and Work Experience 4 - 6 years. Linux: Q.1 I have one Linux machine and a application is installed on the it but I am not able to access this machine through web browser then how you will troubleshoot? Q.2 How will check its services running or not? which command? Q.3 What are the permissions are their for file and folder? Q.4 Let's If you have one particular folder and one group have access to this one folder and you are part of that group and I also part of that group, and I want t create one file under this group which you should not able to delete or edit even if you have full access of folder but still you will not del or edit this file. How it will possible? Q.5 Have you configured Cron Job? What are the parameters are there on Cron file? Q.6 I want to execute one command whenever my system get rebooted and I want to execute some command on each reboot, how you will do this using Cron Job? AWS Cloud: Q.1 I want to create the VPC, what cloud be the maximum CIDR range you can provide? Q.2 Have you added any rule under the security group? Q.3 How you will add your own system Ip under security group? after ip what range you will add after slash i.e 0.0.0.0/ Q.4 We have two subnet one on public and second on private so how you will identify which is public and which is private? Q.5 If I have configured one application(HTTPD) on EC2 instance private subnet and now I want to access url from the web browser, so how it will be possible? Q.6 What is the use of NAT gateway? and is it one way communication or two way communication? Q.7 If you want to access your private instance from your local machine so will you able to access using private ip? Q.8 How we can access application through the web browser if the application hosted on the private subnet instance? what are the ways? Q.9 If you have own S3 bucket and provide access to certain ip range/address not to everyone. How you will do? and which policy you will add? specify the type of policy you will add with name ie. Role based policy, service based policy, inline policy, custom policy Q.10 If we are getting data under S3 standard storage class and I want to move that data every last of the month into glacier, how you will do? Q.11 Do you know type of ELB? Q.12 Do you know flow of application LB ? end to end? Q.13 If you have three instance in the target group so whenever any instance gets down, how you will come to know that one instance is down? Q.14 Have you created any RDS instance? could you specify the multi AZ and read replica? Terraform: Q.1 what is the use of terraform module? Q.2 Why you need to use of terraform module? Q.3 If I have created EC2 and vpc using terraform and unfortunately tfstate file got deleted, can you recover it? (File is only local machine not on s3 or dynamoDB) Q.4 Have heard about state locking? what is it? Q.5 If we have created different-different module like vpc, ec2, security group, access key, subnet so how terraform will get idea which resource should deploy first? Q.6 Have heard about dependency? what is Implicit and explicit dependency? depends_on what is the use case? Ansible: Q.1 How you will rate yourself on ansible out of 5? Q.2 What is inventory ? and type Q.3 what is the difference between static and dynamic inventory? Q.4 In which condition we will use static or dynamic inventory? Kubernetes: Q.1 How you will rate yourself on Kubernetes out of 5? Q.2 Specify the uses of Pod, Replica-Set and Deployment? Q.3 If we have two type of deployment re-create and rolling, cloud you please give me different b/w both? Q.4 what is better option ? re-create or rolling? Q.5 I have thousand of pods and lots of application running on the pods which deployment strategy you will follow rolling or re-create? and why? CICD: Q1. Have you written code in groovy? Q2. What are the other tools are involved like artifact, maven, nexsus, sonarQube, what you understand about? Q3. what is build in Jenkins? Q.4 If several developer working on one Git repo and as you are devops engineer then how you will prevent the developer to push unexpected code or extension file to repo? how you will restrict it ? Q.5 Have you heard about blue-green deployment or canary deployment? Q.6 How you will check the generated artifact/logs/Zar file in Jenkins? --- Done.
avatar

Cloud DevOps Engineer

Interviewed at Globant

3.6★
Oct 1, 2022

Q1. Questions Based on DevOps tools and Work Experience 4 - 6 years. Linux: Q.1 I have one Linux machine and a application is installed on the it but I am not able to access this machine through web browser then how you will troubleshoot? Q.2 How will check its services running or not? which command? Q.3 What are the permissions are their for file and folder? Q.4 Let's If you have one particular folder and one group have access to this one folder and you are part of that group and I also part of that group, and I want t create one file under this group which you should not able to delete or edit even if you have full access of folder but still you will not del or edit this file. How it will possible? Q.5 Have you configured Cron Job? What are the parameters are there on Cron file? Q.6 I want to execute one command whenever my system get rebooted and I want to execute some command on each reboot, how you will do this using Cron Job? AWS Cloud: Q.1 I want to create the VPC, what cloud be the maximum CIDR range you can provide? Q.2 Have you added any rule under the security group? Q.3 How you will add your own system Ip under security group? after ip what range you will add after slash i.e 0.0.0.0/ Q.4 We have two subnet one on public and second on private so how you will identify which is public and which is private? Q.5 If I have configured one application(HTTPD) on EC2 instance private subnet and now I want to access url from the web browser, so how it will be possible? Q.6 What is the use of NAT gateway? and is it one way communication or two way communication? Q.7 If you want to access your private instance from your local machine so will you able to access using private ip? Q.8 How we can access application through the web browser if the application hosted on the private subnet instance? what are the ways? Q.9 If you have own S3 bucket and provide access to certain ip range/address not to everyone. How you will do? and which policy you will add? specify the type of policy you will add with name ie. Role based policy, service based policy, inline policy, custom policy Q.10 If we are getting data under S3 standard storage class and I want to move that data every last of the month into glacier, how you will do? Q.11 Do you know type of ELB? Q.12 Do you know flow of application LB ? end to end? Q.13 If you have three instance in the target group so whenever any instance gets down, how you will come to know that one instance is down? Q.14 Have you created any RDS instance? could you specify the multi AZ and read replica? Terraform: Q.1 what is the use of terraform module? Q.2 Why you need to use of terraform module? Q.3 If I have created EC2 and vpc using terraform and unfortunately tfstate file got deleted, can you recover it? (File is only local machine not on s3 or dynamoDB) Q.4 Have heard about state locking? what is it? Q.5 If we have created different-different module like vpc, ec2, security group, access key, subnet so how terraform will get idea which resource should deploy first? Q.6 Have heard about dependency? what is Implicit and explicit dependency? depends_on what is the use case? Ansible: Q.1 How you will rate yourself on ansible out of 5? Q.2 What is inventory ? and type Q.3 what is the difference between static and dynamic inventory? Q.4 In which condition we will use static or dynamic inventory? Kubernetes: Q.1 How you will rate yourself on Kubernetes out of 5? Q.2 Specify the uses of Pod, Replica-Set and Deployment? Q.3 If we have two type of deployment re-create and rolling, cloud you please give me different b/w both? Q.4 what is better option ? re-create or rolling? Q.5 I have thousand of pods and lots of application running on the pods which deployment strategy you will follow rolling or re-create? and why? CICD: Q1. Have you written code in groovy? Q2. What are the other tools are involved like artifact, maven, nexsus, sonarQube, what you understand about? Q3. what is build in Jenkins? Q.4 If several developer working on one Git repo and as you are devops engineer then how you will prevent the developer to push unexpected code or extension file to repo? how you will restrict it ? Q.5 Have you heard about blue-green deployment or canary deployment? Q.6 How you will check the generated artifact/logs/Zar file in Jenkins? --- Done.

I was interviewing for a DevOps role. When I got there, they interviewed me for a Senior DevOps Engineer role with more focus on the development side than ops. That was a bit confusing as I am stronger on the ops side of things.
avatar

Senior DevOps/Cloud Engineer

Interviewed at Coupa Software Inc

3.5★
Mar 31, 2014

I was interviewing for a DevOps role. When I got there, they interviewed me for a Senior DevOps Engineer role with more focus on the development side than ops. That was a bit confusing as I am stronger on the ops side of things.

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