Freelancer.com Devops Engineer Interview Questions, Process, and Tips

Q1. What is your Strength?
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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. Open pump house and Tunnels
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Q2. Road and
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Q1. Open pump house and Tunnels
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Q2. Road and
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It was hard test and very tough

Coding was very hard bro so you have to study nicely

Q1. Tell me how you you;ll be able to fit a motor and and inverter within half meter cube area
Ans. 
By carefully designing the layout and components, utilizing compact and efficient motor and inverter models, and optimizing the wiring and cooling systems.
• Utilize compact and efficient motor and inverter models

• Carefully design the layout to maximize space utilization

• Optimize wiring and cooling systems to minimize space requirements
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Q2. Do you know about safety standards used in Automotive Industry
Ans. 
Yes, safety standards in the Automotive Industry are crucial for ensuring the well-being of both drivers and passengers.
• Knowledge of standards such as ISO 26262 for functional safety in automotive systems

• Understanding of crash test ratings and regulations like FMVSS (Federal Motor Vehicle Safety Standards)

• Awareness of safety features like ABS (Anti-lock Braking System) and ESC (Electronic Stability Control)

• Experience w...read more
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