Cognizant Programmer Analyst Trainee interview questions

I have applied through online attern Off-Campus drive 2021 via Superset Platform. First round conduct through Online its like Mcq questions - Aptitude, Logical Ability and Verbal Ability. Second Round Is technical Round its conduct through superset platform they interview start from Morning. Basically interviewer start from self intro. Then I am IT background student they ask questions in C programming and Java, then ask one program using array,I solve it . Then he ask Little Advanced like definition of Machine learning and deep learning. Hadoop concepts. I answer all the questions because I prepared through previous questions through Glassdoor and Geek for Geeks. Third Round conduct after two days that is HR Round are simply ask HR questions. Like self intro, after 5 years what would see your growth in organisation. Then Ask Certificate verification like aadhar and pan card. Then release offer letter after 15 days after upload my documents in background verification then after 1 month got date of joining.