If you install fibre between your computer and your router, which connects through dial-up, does it counts as fibre internet? Demarcation line might come into p

If you install fibre between your computer and your router, which connects through dial-up, does it counts as fibre internet? Demarcation line might come into play, so you could sell that fibre to your neighbour and market it to him as proper fibre, since it's all that he's seeing