Optum Full stack developer intern interview questions

There were two rounds - the first was an online test and the second was a technical interview. The online test had 3 sections - Cognitive - Analytics (8 questions), Cognitive Ability (17 questions), and Technology concepts (25 questions). 90 minutes were given to attempt the test. Cognitive - Analytics had questions based on basic statistics and graph analysis. In Cognitive Ability, there were questions based on reasoning. For a few questions, we were given scenarios and asked to select the best reason why the given decision must be taken. The tech section had questions from OS, DBMS, OOPs, Data Structures, Java, C (pointers), Cloud Computing, Python, NoSQL. After the test, the qualifying students had a technical interview. I had a 30-minute resume-based interview. The interviewer inquired about my projects and asked questions related to them. I had mentioned Software Engineering and Database Management as my key subjects and their questions revolved around them. I was also asked a simple puzzle that was easily solved by unitary method. In the end, I was also given a business problem and asked to give my input on how to resolve it.