ADTRAN Software Engineer Co-Op interview questions

In the second round, they asked technical questions in C++ like pointers, functions, and code explanations. They will give you a piece of code and ask you to explain what the code does or why is it that why. They were not hard. They might ask you behavior questions to see if you can fit on their team like if you finish early on your projects, would you help your coworkers or you will move to the next project?

What are your other hobbies outside of programming?