I interviewed at Australian Public Service (Canberra)
Interview
STAR
Situation - background and problem
Task - what you were required to do
Action - what you actually did, you can also explain why you made particular choices
Result - what was the outcome, how it shows you can do the role you are interviewing for
Interview questions [1]
Question 1
Behavioural based questions. They seem general but you want to link it back to a capability.