Nokia Senior Devops Engineer Interview Questions and Answers

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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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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Q1. Where is Dotnet used?
Ans. 
Dotnet is used for developing web applications, desktop applications, mobile apps, cloud services, and games.
• Web applications

• Desktop applications

• Mobile apps

• Cloud services

• Games
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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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Q1. What is Object-Oriented Programming (OOP), and can you explain its fundamental concepts?
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Q2. What is the definition of an array, and what are the different types of arrays?
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Q3. What is the clr
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The content is based on HTML, Windows, and ADO.NET.

Q1. What motivates you to pursue this job?
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Q2. What is your expected salary?
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