Data analyst interviews

Hello all I'm preparing for data analyst position and I wanted some guidance from people who has interviewed for this position. I see that every company has different requirements Some only focus on data visualization using tableau So asks even Machine learning skills. I am very much confused and would be great to get some guidance from people here. I have a few questions like 1. How do you prep for this role ? 2. What resources do you consider the best to get all concepts. 3. Which is the best source to apply for jobs #data #analyst #dataanalyst