Some questions were on basics of deep learning(backpropagation, activation functions, feature vector characteristics, etc) and computer vision. Most of the questions were based on my deep learning projects, just to test my understanding of the problem and my approaches.

The company is brought to our campus for recruiting interns. First there was a resume shortlist for interviews. I think the shortlist is based on the courses and projects you have mentioned in the resume. They probably looked for probability course. It was a Skype interview of around 30 minutes.