OOP-based question: Object-Oriented Programming (OOP) focuses on concepts like classes, objects, inheritance, and polymorphism. Questions may involve designing systems using these principles to model real-world problems and improve code reuse. Operating system: An operating system manages hardware resources and provides services for applications. Key topics include memory management, process scheduling, file systems, and handling concurrency through threads and processes. Project-based discussion: In project discussions, candidates are expected to explain technical challenges, decisions, and tools used, demonstrating their problem-solving, collaboration, and technical skills through practical experience and hands-on projects. LCA of LinkedList: Finding the Lowest Common Ancestor (LCA) in a LinkedList involves determining the lowest common node between two nodes in the structure, whi