Akamai CIO interview questions

There were 5 rounds In the first round aptitude,technical mcqs and 3 easy questions were asked Second round was mostly resume based In further rounds they asked mostly tree,graph and linked list questions I got rejected in the second round

HR department is very inefficient. Took 3 weeks before I got interview. Interview was fast and then offer was made in 1 week. There was a technical and managerial phone interview. Within 3 days there was a panel interview with 2 Eng managers, 1 qa manager and hr.