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?
An administrator notices that a critical application service isn’t responding as expected on a Linux system. To diagnose the issue, which command should be used to display the current status of a service named ‘app_service’?
A system administrator is tasked with creating a virtual machine (VM) to host a new application that is sensitive to network latency. The VM will be deployed in a cloud environment. Which factor is most important to consider when selecting the location for the VM deployment?
You need to add a new user named ‘techuser’ to your Linux system and ensure they are a member of an existing group named ‘techgroup’. Which command should you use?