Bny Mellon

In my first round i was asked relatively easy questions 2 easy-medium dsa question i was asked to explain the intuition an dthe complexities and then i was asked a system design question i had to design a library management system and then i was asked basic oops questions a liitle bit of cn and dbms . In in my second and final round i was asked oops and os and cn basics and then 2min explanation of my projects and then i was asked about deployment he wanted some specific answers which didnt know