"The judicial power in Australia is the authority to interpret and apply the law. This power is vested in the courts, which ensure that laws are consistently and fairly enforced. "
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.