When driving at night, when must a driver use dipped headlights?

When meeting or driving behind other traffic.
When driving at more than 100 km/h.
When driving at less than 50 km/h.
When there is no oncoming traffic.

Explantion: When driving at night drivers should dip their main beam headlights when meeting or following traffic to avoid dazzling or endangering other road users.

Theory Tester

When driving at night, when must a driver use dipped headlights?

Safe and Responsible Driving