Visa Inc. Interview Question

First Round: 20 MCQ on Big data, Datawarehouse, Unix and testing concepts and the most important 2 programming question(Pallindrome and Frequency of word related) which can be answered in any language. The test was on HACKER RANK. Second Round: One to one on a programming question(Display true or false if if a number in an array is equivalent to the sums of numbers left and right of it....termed as index number) and write the unit test cases. Basically this round was to judge how a person can think of different scenarios of breaking a code. Third Round: Here about one's was asked, about the work they do. Then basics about testing and projects that were handled. Thereafter about SQL queries, like delete the duplicate rows writing a single query, use of rank, lead and lag functions, joins. Fourth Round: It was the round with the person at Director level. Here it was asked like what challenges you faced in your work. How you tackle. Basically judges your nature to handle the challenges and willingness to do and manage the work. And describe about your role and work for which one is hired. Fifth Round: It's an HR round were About you is asked, policies are explained and all other HR questions.