Q1: Does this extend screen or mirror only?
A1: This USB C to DisplayPort support extend mode and mirror mode which can be setted up on your computer.
Q2: Does it require any driver to be installed (Windows, Mac, Linux)?
A2: This cable is plug and play without any new driver.
Q3: I want to connect my monitor (displayport) to my laptop (usb c). Would the cable support charging of the laptop via the monitor?
A3: This cable is unidirection, it only support data transmission from usb c to displayport. It is a data cable which doesn't support charging laptop.
Q4: What's the version of the displayport port
A4: This displayport display max 8K@30Hz
Q5: Does the type-c port support Thunderbolt host?
A5: Yes, it support Thunderbolt 3 host.