Safe or full?
Wait, wait... what do you mean "safe or full"?
Look, when I click to make a bootable CD, I hit NEXT and then this pops up:

Since I’ve got Disc Director from Acronis, I just make one bootable CD that handles everything at once.
I hit NEXT,
And that's when you get these options:
Floppy
CD
ISO image
RIS server
A floppy is way too small for this. If the direct CD burning option gives you any trouble, just create an ISO and burn it using Nero.