Free Linux Foundation LFCT Exam Questions

How would you display the differences in content between two configuration files, ‘config_old.txt’ and ‘config_new.txt’, highlighting only the lines that have been added or changed in ‘config_new.txt’?

To optimize their Docker image for a Python-based web application, a developer decides to use a multi-stage build process. What is the primary reason for using multi-stage builds in this context?

A Linux system administrator has been notified that a specific application, ‘app_service’, is not responding. Which command should they use to check if the ‘app_service’ process is currently running on the system?

For a project requiring high availability and fault tolerance, a system administrator needs to configure VM replication across multiple geographic regions. Which feature should be prioritized in the cloud provider’s service offerings to meet these requirements?

To save the standard output of date to a file named current_date.txt and also display it on the screen, which command should you use?