Setting Safety Contour equal to Safety Depth. SafeBridge expects you to explain that Safety Contour affects vector chart display (the brown/green boundary), while Safety Depth changes the color of individual depth soundings.
For many mariners, the real story isn't just about finding the "answers," but about gaining the to navigate safely through turbulent seas while paper charts rapidly become a relic of the past.
Most test questions are derived directly from Sections 5.2 (ECDIS management) and 7.3 (Voyage planning).