Red Hat Certified Technologist in OpenShift exam

During the EX280 exam, a candidate is told that all configurations must survive a reboot without manual re-application. What does this requirement primarily reflect about how the exam is administered?

An administrator needs to inspect a container image before deploying it, verifying the exact build referenced regardless of any moving tag. Which capability, listed under managing OpenShift Container Platform, most directly supports pinning to a specific immutable build?