Robert Bosch Associate Software Engineer Developer interview questions

The 1st round was an online written exam consisting of 60 MCQ based questions..the time alloted was 60 mins.. Out of them 35 questions were technical(mostly from Data Structures,Database,Networking and a few questions based on Electrical topics like AC,DC etc) and 25 questions were based on quants & reasoning.. (Since there is a -ve marking of 0.25 for evry wrong answer..make sure to leave it unanswered unless u are 100% sure) After this were 2 rounds.. Technical and HR Technical questions were mainly focused on ur projects.Questions like: 1.Explain MVC architecture with a diagram 2.Draw the flow diagram of a chat app in which 2 users can privately chat with each other (I was asked this question since I had mentioned Chat App in my resume) 3.Was asked to write the code of a small section of my project along with the flow diagram 4.How to prevent 2 users from having the same user id in a database table? 5.Regular Expression of email-id? 6.What is SQL Injection attack and what have u done in ur project to avoid it? (Dont be nervous..Be confident..and if u dont know the answer..simply say "Sorry, I dont know" with a smile..U dont need to answer each and evry question) The HR round mainly focused on how confident u are and ur interest in the company.. Questions like: 1.Why Bosch? 2.What does a good job mean to u? 3.Is work life balance imp. for u? 4.Where do u see urself in 5 years? 5.Are u willing to relocate? And last question.."Do u have any questions?" (Make sure to ask the HR questions about the company becoz that makes him feel that u r interested in d company)