Qualcomm Cloud Data Engineer interview questions

"Phone screen" turns out to be the 1 hour-long technical interview. All the questions were about previous projects. As the interview was scheduled for an hour, I almost had no time to ask questions myself, and what I asked was answered in a hurry. After the interview, I was ghosted and after a follow-up email, I received an automatic rejection letter. When I asked HR for feedback, they said I should have asked for it during the interview...