"The Commonwealth Star, also known as the Federation Star, has seven points. Six of these points represent the six original states of Australia, while the seventh point symbolizes the territories and any future states."
Australian Citizenship Test gives you access to many more tests than just the one practice test available on the government website. That official sample test is good for giving you an idea of what to expect on the real test. But it can't help you prepare fully. Nor does reading the Australian Citizenship: Our Bond material alone.