1. What is the difference between a BRD and an FRD?
2. What is a confusion matrix?
3. How would you test the data present in an Excel file?
4. Write React.js code demonstrating the use of forwardRef and imperative handle.
5. Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] == 0. Notice that the solution set must not contain duplicate triplets.