What are changes in F5 exam since 2016? This is my 4th attempt
The Syllabus describes the exam structure:
Check the link.
If you already took the September 2016 exam, nothing will change in comparison to this exam. Practicing this exam should give you a good idea about the current structure:
Practise of past questions is the key to passing the exam.
Do have an eye on the syllabus changes.