Patch Infotech interview questions

15 min round completely oral means nothing to write in which 1) How would you search a number in a sorted array. 2) Authorization in microservices 3) Qualifier annotation 4) pagination 5) How to communicate between microservices 6) kafka 7) About redis

1) prime number (First round) 2) count the frequency of an element in an array (First round) Second round : 1) Cascading effect in database 2) Binary search 3) Space and Time Complexities 4) Private varibale in JS