HR call and then a phone screen. The interviewer had a very poor connection and was unfriendly and uninterested from the get-go. He was non-technical and read off a list of acronyms, wanting definitions for each. The interviewer claimed that 100 engineers report to this position, which is not possible. I withdrew my application immediately after this interview. I would recommend that the talented engineers reading this apply to a tech company instead.

Provide definitions for the following 20 tech acronyms.