Cognizant Project Manager interview questions

Just last project details ,situation question and problem solving techniques.Agile methodolgies,Scrum ,waterfall ,process improvements , Quality ,Vatidation and Testing ,Risk Management, Risk Registry ,Project charter. Managing stakeholders, scope, resource, cost, schedule, configuration

The HR was not interested and it was not well coordinated. They neither provided acceptance or rejection for a long time. The interview took a long time to complete. The overall experience was not favourable