Advice for Dusseldorf connecting flight - Solo travel

Hi there,

I'll be doing my first solo trip (18yo) in Europe for 2 weeks in September, and I'm wondering if anyone can give me advice for this connecting flight.

I'm flying from Nice -> Vienna via Dusseldorf, with a 1hr layover. I'm just trying to find out everything I can to optimise the process of getting to the next flight as I don't have much airport experience and I'm worried about missing the flight. The main question I have is would anyone know if it's a bus or jet bridge that will get me from the plane into the terminal?

I've also changed my seat from the rear to up the front to deplane quicker.

Cheers