Jobber Sales Development Representative (SDR) interview questions

I managed to make it through 3/4 interviews in the process. The first was a call with talent acquisition (30min) and the second was with two leaders within the department (1hr). The third interview was the 'functional' interview(1hr), it had two parts. One was to respond to 5 emails within a short period of time and the second half was a mock call. They provided feedback after each portion. Despite spending hours watching the youtube videos, reading the FAQ, creating my own notes to study and whatnot for the topics they told to prep for.. I feel like I was blindsided by the questions I got in the mock call. The first question I was asked I was able to navigate relatively easily but then it felt like they wanted to put up a wall that I couldn't break through and it was rather demoralizing by the end. I didn't walk away from my interview with a positive mindset.