Backitup question

I’m new to Nero and DVD backups, so please bear the basic question.

I have 2 backup jobs that I’m going to alternate btwn 2 sets DVD’s.

First I did the initial full backup on DVD #1, then the next backup will be a full one on DVD #2.

Next…incremental…when I do an incremental on DVD #1 now, will it just add the different/changed/new files…and leave me with a full backup that I could restore?