Walking Company Holdings interview questions

My Technical Interview was very very easy questions asked -self intro -Explain any Project -why devops - why k8 -memory in linux -tell few linux commads -what is docker -explain docker file -how u will lauch ec-2 instance -security groups -jenkins troubleshoot(like if pipeline fails ) -Docker networks and typs I answerd all - cleared round 2 ---------------------------------------- Managerial Round -Explain the ci/cd automation code... -What is the new topic u learned recently explain that -Do u know Docker -Explain Docker file in deep dive full deep , why we use FROM, CMD, WORKDIR and all deep diveee ............ - Any few questions from Docker Note - i told everyans but the way if explanation was not good i think ... TRY to explain with real project example Round 3 - Managerial Round - Rejected