Dynamisch IT Interview Questions and Answers

The random function in numpy generates random numbers from a specified distribution.

• Use np.random.rand() to generate random numbers from a uniform distribution between 0 and 1.

• Use np.random.randint() to generate random integers within a specified range.

• Use np.random.choice() to randomly select elements from an array.

Base authentication is a method of verifying the identity of a user before granting access to a system or application.

• Base authentication involves sending a username and password in the HTTP header of a request.

• The credentials are encoded using Base64 encoding, but not encrypted, making it insecure.

• It is commonly used for simple authentication in web applications, but not recommended for sensitive data.

• Example: Authori...read more

Docker multistage is a feature that allows you to build multiple Docker images in a single Dockerfile.

• Docker multistage helps in reducing the size of the final image by using intermediate images for different stages of the build process.

• It allows you to separate the build environment from the runtime environment, improving security and efficiency.

• Each stage in a multistage build can be named and used to copy artifacts ...read more

I would investigate the root cause of the 521 error and take appropriate actions to resolve it.

• Check server logs for any relevant error messages

• Verify network connectivity between client and server

• Ensure server resources are not overloaded

• Restart the server if necessary

• Contact the service provider for further assistance

CI/CD pipeline is a set of automated processes that allow developers to deliver code changes more frequently and reliably.

• CI/CD stands for Continuous Integration/Continuous Delivery.

• It involves automating the building, testing, and deployment of code changes.

• CI/CD pipelines help in detecting and fixing errors early in the development process.

• Popular tools for CI/CD pipelines include Jenkins, GitLab CI, and CircleCI.

To check recent last 50 logs of docker, you can use the 'docker logs' command with the '--tail' option.

• Use the command 'docker logs --tail 50 ' to display the last 50 logs of a specific Docker container.

• If you want to follow the logs in real-time, you can use the '-f' flag along with the '--tail' option.

• To view the logs of all containers, you can use the command 'docker ps -a' to get the list of container IDs and then ...read more