A:AnswerAccording to the following article: https://www.photoreview.com.au/reviews/digital-darkroom-reviews/monitors-digital-darkroom/asus-proart-display-pa279cv-monitor/
This monitor can handle 100% of sRGB and 80% of AdobeRGB, so no, not quite 100% AdobeRGB.
A:AnswerThe USB-C connection doesn't work; ASUS has a firmware fix that is both complex and does not work. If you want a monitor that works with USB-C, find another option.