It is possible for you to access a National Police check database online through their official website or through third party websites that specialise in providing criminal background checks to clients. You may be requested to get a police check done for various reasons but more importantly if you are looking to work with kids in future, whether or not you eventually choose to get the job, it will be necessary for you to first get your own criminal background check.
By knowing what is on record for you with the Australian Federal police, you would be aware of what your chances would be of getting a certain job for example. If you are looking to work at the airport or even with children of all ages, be it for a single day or for a long period of time, you would definitely be required to present your police check.
It is not a difficult process to apply for an criminal background report from the Australian Federal police as you can do a National Police Check Online too. And in fact, every adult is required to have one available at all times. Look for a reliable website that will provide you with accurate and updated report from the AFP so that you can use it for any jobs that you may choose to apply that requires it.