Figure out and understand how exactly you learn and process things and information then simply take it from there.
Read the books given to you and Bing/Google search things of your questioning. Read over the things you will be tested on, Get some nice study music on (something you enjoy nothing to genetic), read your books, quiz yourself to make sure you understand and take these ideas and create your own solutions through figuring out how you'd like to get ready.
Answer:
Electrically powered, hydraulic steering system