This PowerLAN technology also belongs to the answer "Via a cable between router and computer". So the data connection via the power line.
WLAN only when it is necessary, or with mobile devices. If only because I can only get the router settings with a cable connection.
I'm attached to the repeater by cable because the router is two floors away (live under the roof). Does that count as Wi-Fi?
That counts as WLAN, the main connection is wireless.
Cozy
I'm not tied to any place
It may be that there are more potential sources of interference, but at least I don't notice them.
Speed also arrives for what I pay for (even a little more) and a ping of 10ms (in games and speed tests) is also okay.
I can't vote at all, because both agree with me. My computer in the office is connected to the internet with a cable, my laptop via Wi-Fi…
Then you have a rather inflexible router. Most can also be controlled via WLAN.
Stand PC via cable, everything else (including Raspberry Pi) via WLAN.
I hope that 802.11ax will come out for the consumer area in the next 2-3 years, then cables are also unnecessary.