IPT isnt really that hard if u follow the basic steps...
1. Know the text book of by heart pretty much
this will give u about 80% of the answers to the exam
2. Know about recent technological events such as new technologies... these come in handy for the big marker questions and is wat gets you into the high 80's to low 90's
3. Be able to link all the book knowledge to your exterior knowledge and remember ALWAYS MENTION THE SCENARIO IN YOUR ANSWER.
If you follow the above three points u should be getting a band six or high band 5
Good Luck All!