It is likely that this question will be answered globally and will be marked as such.

8–10 marks 
A good explanation of the role of non-executive directors.

5–7 marks 
A sound understanding of the area, although perhaps lacking in detail or balance.

2–4 marks 
Some understanding of the area, but lacking in detail, perhaps failing to deal with the code.

0–1 mark 
Little or no knowledge of the area.