Dell Technologies Data Engineer interview questions

Technical round 1(SQL queries and projects on my resume was asked) Technical round 2 they asked all oops concepts and some linked list questions to implement Managerial round and then only HR round which was final one

Aptitude Test has mathematical reasoning and logical reasoning questions. Technical Round : You should be prepared with Data structures and Algorithms, DBMS, Operating System, Networking, OOPs concepts. Discussion on projects mentioned in resume and questions related to them.