Cisco SDE-1 interview questions

The interviewer asked about the projects done. They inquired about one of my projects and asked about possible optimizations. Then they asked about few networking and database questions. In the end they asked a coding question based on two pointer (like 2sum).

It was campus recruitment process, There was a online test consisting of MCQs of computer networks, CS fundamentals and 3 coding questions. Then 3-4 round of interviews, 1st round they asked deep into C programming fundamentals like pointers, arrays linked lists, then Computer Networks.