Could Germany have stopped D-Day?

Could Germany Have Altered the Outcome of D-Day?

Considering the overwhelming firepower, air dominance, and resources at the disposal of the Allied forces, it seems unlikely that any tactical adjustments or troop placements by the German military could have significantly influenced the result. Nonetheless, German soldiers displayed commendable bravery on D-Day and successfully contained Allied forces within their beachhead for a period of seven weeks.