lol yeh we had our exam bought from an outside source (not from the school) it had all 4 option in their as well 3 of us including me did all 4 lol but it was trail they marked the two options we studied so we were lucky but lol u dont do the same mistake twice thats for sure :P
it was C look ill work it out for u all
design documentation = 1w + followed by reserch =3w =4w
designing soluiton can then begin =2w =6w
installing cables starts immediatley after this =1w =7w
instalatoin of...