As someone whose handwriting leaves graphologists advising that my ideal career is a GP working for MI5, I'll leave CIMA's examiners to answer your specific question.
But may I suggest that writing completely in upper-case is a little unusual, not least because the conventional style is actually easier to read. (British Railways did a study many years ago, and consequently changed station names from the previous capitals to sentence-case because our brains recognise and differentiate lower case more easily than upper.) 'Unusual' is sometimes good, sometimes not good.
Would you write a job application or its covering letter totally in upper case?
