No, you cannot have the same netbios names because there would be a conflict between the computers and Netbios names are unique names.
you don't.or 2 separate computers.
To do multiple home networking name your network the same name on both computers connect the via an direct Ethernet cable and send and receive files at will.
yes
France
Yes! Very dangerous unless you want the routers to send the EXACT same data to both computers. (Even then it might cause some damage)
no
you can But I wouldn't because it might not work with all computers so maybe you should leave it
No
Connect the computers using a Cat 5(e) network cable. Set both computers to the same subnet (ex: laptop1 ip: 192.168.0.1 laptop 2 ip: 192.168.0.2) and the same workgroup.
It can, I recommend changing the computer's IP Address. By the way good game.
Run them both together using lan cables into the router.
No