Do you need LAN cables in the garage?

What exactly needs to be connected serially o_O On the Ethernet side, nothing should require a "real" point-to-point connection.

For us, there would have been the option (Zappi Harvey and Zappy HUB for the WB) On Ethner

Besides that, the company also has a VPN tunnel for home office and confidential data is encrypted at least once and not just left on the hard drive... And for home banking, there is two-factor authentication...

yes, right, but the VPN password is then under the keyboard and the token for 2FA lies right next to it :D This is everyday practice ...

yes right, but the VPN password is then under the keyboard and the token for the 2FA is next to it :D This is lived practice ...

Then it is no longer a problem with the WLAN, but a lack of intrusion protection... Guess how many people around me have roller shutters and KNX, but no security windows RC2 or better :D

What do you do if the garage arrives later? Just lay the cable outside and leave it exposed? Location is not yet clear.

What do you think how many people around me have roller shutters and KNX, but no security windows RC2 or better :D

They don't help with Ytong either if you just cut an opening next to the window with the oscillating multi-tool :p :p :p

They are useless with Ytong if you just cut an opening next to the window with the jigsaw :p :p :p

But only for the plaster layers. For everything underneath, you use the moist finger, it makes less noise.

What do you do if the garage comes later? Just lay the cable outside and leave it out? Location is not yet clear.

Exactly. Lay the underground cable out and leave it long so that it doesn't have to be spliced. Just don't terminate it on the patch panel and connect it to the switch yet.