Red Hat interview questions

I had a positive interview experience overall. The process was professional, structured, and friendly. It started with an initial screening conversation, followed by a technical interview focused on problem solving, programming fundamentals, and general understanding of software engineering concepts. The interviewers were respectful and gave enough time to think through the questions. The overall atmosphere was welcoming and not overly stressful

The interview starts with the basic introduction about their background and working from the both sides. The Interview Questions:- 1) what is golang and what are uses of it in the industry ? 2) does the golang is used for the files transfer from one end to other end and if so, how is it done ? 3) what are the goroutines and how it is used for file transfer ? 4) does it cause any errors while implementing ? ans :- causes the deadlock while processing 5) how to avoid the deadlocks during this processs ? ans :- using the wait groups (wg) , usually the pointers in the golang which caries some file info 6) does it concurrent or sequential ? ans :- concurrent 7) what is the use of the lock and unlock in golang ? 8) live coding:- create a golang or python script which will delete all files which are not used or very less used every week on every friday of each week ? Cn related questions:- 1) The Netflix or youtube live streaming is stateful or stateless ? ans :- stateful 2) state difference between statetless and stateful streaming? 3) what is the difference between between TCP and UDP ? 4) which network protocol is used during the go routines file transfer ? -> TCP 5) how is the authentication works in one application system ? LLD & Managerial Round:- 1) explain me aws architecture ? 2) given me paper and said to draw and explain me LLD of Amazon company whole system working. 3) asked 10-15 magerial questions during my LLD round , i am perfectly remeber all that ..... they are just common once .