If you’re a veteran master long sniper shooter, you should know what adjustments on the scope even before shooting?

Like without zeroing the scope beforehand, just say the target is 100 yards and you have a 24 inch bolt action in 300 win mag with leupold backcountry 20 MOA rail, what adjustments click elevation and windage of the scope and hit the target? Just to add You’re using a vortex diamondback 6-24x50 scope and the scope and the scope sitted on the far front of the rail.