I have interview for a junior DevOps Engineer role at Apple IS&T

Hey guys, I have interview at apple is&t, recruiter said I will be going through 3 rounds and all are elimination based and mostly focused on containers, AWS, Python codes (which I scared shit out cause I'm weak at that), still not DSA it seems...please help me what to prepare and how the process will be for a 1 YOE guy like me