nvm, board of studies uploaded the exam paper! Here are the answers:
1C
2D
3B
4B
5C
6A
7A (this is not ambiguous. Phone numbers can start with 0, can have non-digit characters e.g. "+614...", etc.)
8D
9A
10C
11B (debatable - archiving to a DVD could be considered making a copy of the software...