Resume is the first thing a recruiter will go through and they will ask questions based on your Resume.
Written Test is the first round of any company. You can easily crack this round by practicing more. PrepInsta provides provides you the best question and online class.
This Round will basically revolve around your technical knowledge and you have to be very clear with the concepts.
If you manage to come this far, congratulations! This is probably the easiest round. They will ask you questions to check you personality.