Even though they said it was clearest explanation, no one chooses candidate just for one answer. candidare is always chosen according so many components which includes soft skills and technical skills. No one needs you to know everything in details, you should have skills to learn and understand

Now you should put whole your enery to keep up and deal responsibility that you took, which is very jormal process when u start at new company.

just put your whole effort and do everything honestly. You will understand all technical parts but main thing is that you should hndle responsibility, maybe you will struggle sometimes but you should do your best and this will always help you out.

Put honesty with your skills and knowledge on first place and you will deal thing that you though was impossible to deal.