first they take normal test before interview then according test result. they shortlist some candidate , during interview they will asked basic to advance question. like what is seo , difference between organic & paid, some basic question regarding facebook ads, and asked which tool are you using for your work
Interview questions [1]
Question 1
what is dogital marketing ? what is SEO and benifites of seo? what type of tools are using? what is schema markup? what is ssl and there importantce? SEO workflow?