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

1. A.When driving at more than 100 km/h.
2. B.When meeting or driving behind other traffic.
3. C.When there is no oncoming traffic.
4. D.When driving at less than 50 km/h.

This is an official-style question from the Safe and Responsible Driving topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.