If it is a trick question, I don't see why they should be outside zones, since at any time the occupant can open the cupboard door. The diagrams and rules I have seen relate to distances, except for the area under the bath which is subject to access with/without tools. I wonder if a locked cupboard is considered to need a tool?
AFAIK Cupboards, and that includes airing cupboards (Hotpress for the Irish), are usually regarded as being outside the zones. But common sense should prevail, If the electrical item in the cupboard can be operated with any extremity still in the bath/shower then it is not safe.
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