Output: 1 (The character 'e' repeats, 'n' is at index 1 and does not repeat). Solution (Java)
A. Languages B. Medians C. Skills D. Index Ratings E. Knowledge levels
For engineering or intern roles, the test often features technical multiple-choice questions (MCQs) and a coding challenge.
Core concepts like multithreading, deadlocks, CPU scheduling algorithms, and virtual memory.