Microsoft Software Development Engineer In Test SDET interview questions

Hiring process started with a phone screen that lasted for 45 -60 minutes. Phone screen was more focused on my background , OOPs and C++ coding and design fundamentals. 2 days after my phone screen I was offered an invitation to visit Fargo for an in person interview. After 10 days, I was flying for all paid trip to Fargo. My in person interview started with my meeting with HR at 9:30 and ended at 5:00 in the evening. In total, I had 6+ interviews. I was tested on my basic computer science fundamentals - algorithms, software design and test. Some of the questions asked were: 1. Given a function to read in the file, write a function to find the number of matches that you find in the file for a given key. 2. Reverse an int, write test cases 3. Shuffle a deck of card given a random generator which generates numbers with equally likely probability. How will you test that Random generator is Random and is generating numbers with equal probability 4.Exception handling and testing scenarios. 5 Find Error in the given code. 6. write a function that takes in a word and returns number of annagrams in a given file. Also print all annagrams for a given key. 7. Test a given class, polymorphism concepts, virtual functions and class design.