Lights, visibility, and being seen
Glare control is a safety duty
Bright lights help you see, but if they blind oncoming drivers they create danger.
What to watch for
The question mentions full beam, dazzling, meeting traffic at night, or being overtaken.
The rule
The rule explains exactly how to answer any question of this type — and why the obvious wrong answer fails.
See the rule →Common trap
Don't keep full beam on just because it helps you see further.