Tata Consultancy Services Systems Engineer C1 interview questions

The interview started with my self-introduction, followed by detailed questions on OOPS such as how to write an abstract function, access specifiers, encapsulation, and anonymous classes. What are header files in cpp , and what is :: in cpp Resume-based questions were asked on AWS, including SNS and other AWS features and situation based like heavy load , or managing a gaming server on aws how will i handle ... handle ddos on aws etc....along with containerization and orchestration concepts everything resume based here. I was also asked about my hackathon project and my specific role in it. ThenHR questions about my family background,pressure handling and future studies. Also dsa ques asked was easy - mine was find prime number but not the brute way