
The ACMA Amateur Radio Examinations are no longer run by AMC but by the WIA (Wireless Institute of Australia)
There a number of resources available to learn the theory But a good starting point would be for you to obtain the Foundation Manual "Your Entry Into Amateur Radio".
YouTube also has a number of good teaching video. The links below are from the REAST organisation.
They cover:
and can be found at the following link: REAST Organisation LINK.1. Introduction2. Nature of Amateur Radio3. Licence Conditions4. Technical Basics5. Transmitters & Receivers6. Transmission Lines & Antennas7. Propagation8. Interference9. Safety10. Practical
The WIA offers a website where you can take trial exams to see how you are faring.
This is available from this WIA web address

Amateur Radio Victoria website has resources for the Standard, Advanced and Regulations papers.
https://www.amateurradio.com.au/licence/standard
https://www.amateurradio.com.au/licence/advanced
https://www.amateurradio.com.au/licence/standard
https://www.amateurradio.com.au/licence/advanced

