Extreme Networks Software Developer interview questions

The first round was an aptitude and technical multiple choice question round followed by a technical interview. Few had two technical interview rounds. The final round was the HR interview

medium level of interview with dsa questions,oops,databases,3 rounds Brief Introduction Given a number print whether a number is prime or not (wrote simple Brute force approach) Print prime numbers from 1 to n (my approach was taking the time of O(N^2)) explain Encapsulation with a real-life example Explain the Friend keyword and its uses in oops Asked about my project Briefly, and explained it well Asked me about error exceptions explained to him a little bit with no proper idea but he keep on adding hints to it