Coddle Technologies Software Engineer Trainee interview questions

I applied in linkedin. I got call from them after 2 weeks. That is MERN Stack Developer Trainee with full time offer. First 9 months (6 months training + 3 months probation Period) will be unpaid internship. If employee performed well then will convert into full time role or else they will give internship certificate only. First round will be online preliminary test, Second round will be virtual Technical Discussion through Microsoft teams meeting.