This is a compulsory practical paper which tests sections 16–19 of the syllabus content. The exam also includes practical tasks from sections 8–9 within a problem-solving context. Candidates perform practical tasks and submit their work electronically. Candidates apply this knowledge from all sections of the syllabus. Candidates must answer all questions. Candidates must not have access to the internet or email. Candidates will work with electronic resource files provided by Cambridge.