IBM Devops Engineer Interview Questions and Answers

AWS Lambda enables serverless computing, allowing code execution in response to events without managing servers.

• Real-time file processing: Automatically resize images uploaded to S3.

• Data transformation: Use Lambda to process and transform data in transit between services.

• API backend: Create RESTful APIs using Lambda with API Gateway for serverless applications.

• Scheduled tasks: Run periodic tasks like database clea...read more

A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.

• Start with a base image (e.g. FROM ubuntu:latest)

• Install dependencies and set up environment (e.g. RUN apt-get update && apt-get install -y python3)

• Copy application code into the image (e.g. COPY . /app)

• Set the default command to run when the container starts (e.g. CMD ["python3", "app.py"])

• Bui...read more

A program that reads and processes data from files, extracting useful information based on specific criteria.

• Use libraries like 'pandas' in Python for CSV file parsing.

• Regular expressions can be used for extracting specific patterns from text files.

• Consider using 'json' module in Python for parsing JSON files.

• Example: Reading a CSV file and filtering rows based on a condition.

Product release setup involves planning, coordinating, and executing the release of a software product to customers.

• Create a release plan outlining the scope, timeline, and resources needed for the release

• Coordinate with development, QA, and operations teams to ensure all necessary tasks are completed

• Use version control systems to manage code changes and track release versions

• Automate build, test, and deployment p...read more

Azure DevOps is a comprehensive platform for managing the software development lifecycle, from version control to deployment.

• Azure DevOps includes tools for version control (Git), continuous integration/continuous deployment (CI/CD), project management, and collaboration.

• Developers can use Git repositories in Azure DevOps to manage their source code, track changes, and collaborate with team members.

• Azure Pipelines...read more

Containers are lightweight, portable, and isolated environments that package applications and their dependencies.

• Containers are instances of images that include the application and all its dependencies, allowing for easy deployment and scaling.

• Docker is a popular containerization platform that uses Dockerfiles to define the image build process.

• Docker-compose is a tool for defining and running multi-container Docke...read more