Ericsson AWS Devops Engineer Interview Questions and Answers

Q1. How much years of Experience do you have in cloud and DevOps
Ans. 
I have 5 years of experience in cloud and DevOps.
• 5 years of hands-on experience in designing, implementing, and managing cloud infrastructure on AWS

• Proficient in using DevOps tools like Jenkins, Docker, Kubernetes, and Terraform

• Experience in automating deployment processes, monitoring systems, and ensuring scalability and reliability

• Worked on projects involving CI/CD pipelines, infrastructure as code, and containerizat...read more
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Q2. What is your expected salary
Ans. 
My expected salary is competitive based on my experience, skills, and the current market rates for AWS Cloud Engineers.
• I have researched the average salary range for AWS Cloud Engineers in the current market.

• I am looking for a salary that reflects my skills, experience, and the value I can bring to the company.

• I am open to discussing salary based on the overall compensation package offered by the company.
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Q1. Regarding AWS networking, Jenkins, Terraform, Linux
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Q2. Write dockerfile to run python script.
Ans. 
Dockerfile to run a Python script
• Use a base Python image as the starting point

• Copy the Python script into the container

• Specify the command to run the Python script
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Q3. Run vs CMD vs ENTRYPOINT.
Ans. 
Run vs CMD vs ENTRYPOINT are Docker instructions used to specify commands to be executed when a container is launched.
• RUN is used to execute commands during the build of the image

• CMD is used to provide default arguments for the entrypoint or to specify the command to run when the container starts

• ENTRYPOINT is used to specify the executable that will run when the container starts, and CMD can be used to provide addition...read more
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Q4. How to upgrade kubernetes cluster version
Ans. 
To upgrade a Kubernetes cluster version, you can use kubeadm tool or manually update each component.
• Use kubeadm tool to upgrade the cluster version

• Check the current version of the cluster using kubectl

• Upgrade the control plane components first, followed by worker nodes

• Ensure compatibility of applications with the new version before upgrading

• Backup important data and configurations before upgrading
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Q5. Terraform file to provision ec2 instance and import existing instance with their configuration
Ans. 
Use Terraform to provision ec2 instance and import existing instance with their configuration
• Create a Terraform configuration file with necessary resources like aws_instance

• Use the import command to import existing instance with their configuration

• Update the Terraform configuration file with the imported instance details

• Apply the Terraform configuration to provision the ec2 instance
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Basic dsa and scalable scripting

Q1. Technical interview with the manager, just a flowy conversation
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Easy mostly from time work problem

Hackerearth interview round was conducted

Q1. More about kubernetes and docker
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Q1. About your current work, roles and responsibilities, how do you debug issues more on kubernetes
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Q1. Questions on Docker, multistage dockerfile, all about docker and its troubleshooting
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Q1. Jenkins plugin debugging, kubernetes issues debugging, branching strategies, release management and shell scripting on how would you monitor k8 crashing pods in all namespaces
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Q1. About previous experience, more on work culture and why do you want to switch
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Q1. Devops life cycle , CICD, Ansible, Shell and groovy script, Jenkins , Gitlab
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Q2. Linux , Networking , past company challenges
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Q1. More detailed as per round 1
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