Comcast India Engineering Center Devops Engineer Interview Questions, Process, and Tips

Q1. About experience in DevOps ?
Add your answer
Q2. How do you approach to create a jenkins pipeline ?
Ans. 
To create a Jenkins pipeline, I follow these steps:
• Define the stages and steps of the pipeline

• Create a Jenkinsfile with the pipeline code

• Configure Jenkins to use the Jenkinsfile

• Test the pipeline and make necessary adjustments

• Integrate with version control for continuous integration

• Use plugins for additional functionality
Answered by AI
Add your answer
Q3. Syntax to print jenkins secrets ?
Ans. 
To print Jenkins secrets, use the syntax: printenv
• Use the 'printenv' command followed by the name of the secret to print its value

• Make sure to have the necessary permissions to access the secret

• Example: printenv MY_SECRET
Answered by AI
Add your answer
Q4. Creation of Docker image using Dockerfile ?
Ans. 
Dockerfile is a script that contains instructions to build a Docker image.
• Create a Dockerfile with instructions for building the image

• Use the 'docker build' command to build the image from the Dockerfile

• Example: FROM ubuntu:latest RUN apt-get update && apt-get install -y nginx

• Example: docker build -t myimage:latest .
Answered by AI
Add your answer
Q5. Difference between CMD and RUN in Dockerfile ?
Ans. 
CMD is used to specify the default command to be executed when a container is launched. RUN is used to execute commands during the build process.
• CMD is used to set the default command or parameters for the container

• RUN is used to execute commands during the build process to create the image

• CMD can be overridden by passing arguments to docker run command

• RUN executes the command and creates a new layer on top of the curr...read more
Answered by AI
Add your answer
Q6. Difference between Java and Nodejs ?
Ans. 
Java is a statically typed language while Nodejs is a runtime environment for executing JavaScript code.
• Java is compiled while Nodejs is interpreted

• Java is better for large-scale enterprise applications while Nodejs is better for real-time applications

• Java has a larger community and more libraries while Nodejs has a simpler and more lightweight architecture

• Java is used for Android app development while Nodejs is used f
Answered by AI
Add your answer
Q7. What is PaaS, IaaS & SaaS ?
Ans. 
PaaS, IaaS, and SaaS are cloud computing models that provide different levels of infrastructure and software services.
• PaaS (Platform as a Service) provides a platform for developers to build and deploy applications without worrying about infrastructure management.

• IaaS (Infrastructure as a Service) provides virtualized computing resources such as servers, storage, and networking.

• SaaS (Software as a Service) provides sof...read more
Answered by AI
Add your answer
Q8. What is DevOps ?
Ans. 
DevOps is a software development methodology that emphasizes collaboration and communication between development and operations teams.
• DevOps aims to streamline the software development process by breaking down silos between development and operations teams

• It involves using automation and continuous delivery to speed up the release cycle

• DevOps also emphasizes monitoring and feedback to ensure that software is reliable a...read more
Answered by AI
Add your answer
Q9. What is build in Java ?
Ans. 
Build in Java refers to the process of compiling source code into executable code.
• Build process involves compiling, testing, and packaging the code

• Java build tools like Maven and Gradle automate the build process

• Build artifacts can be JAR, WAR, or EAR files

• Build process can be customized using build scripts like Ant
Answered by AI
Add your answer

Generic Questions to check basic skills

Q1. Latest Tech in the market
Ans. 
Some of the latest technologies in the market include AI, blockchain, edge computing, and serverless computing.
• Artificial Intelligence (AI) - used for automation, predictive analytics, and natural language processing

• Blockchain - for secure and transparent transactions in various industries

• Edge Computing - processing data closer to the source for faster response times

• Serverless Computing - allows developers to focus on ...read more
Answered by AI
Add your answer

Q1. Salary Negotiation
Add your answer

Overall ok It was 30 min duration

Q1. What is Thin vs thick provisioning ?
Ans. 
Thin provisioning allocates storage space on demand, while thick provisioning allocates all space upfront.
• Thin provisioning only allocates storage space as it is needed, reducing wasted space

• Thick provisioning allocates all storage space upfront, regardless of actual usage

• Thin provisioning is more flexible and efficient, but can lead to over-allocation if not managed properly

• Thick provisioning provides better performan...read more
Answered by AI
Add your answer