asus rog gt-be19000

Router: ROG Rapture GT-BE19000 Connection: Ethernet Internet Speeds: 1.4g down, 100mb up. Setup: VirginHub5 in modem mode, connected to be19000, ethernet cable (15m) to Gaming PC. Questions: 1. I have set up the router, however im confused regarding things related to gaming. I see there is a...