Data Structure & Algorithm Questions Explain the difference between an array and a linked list. How does a binary search tree maintain its properties? Describe the time complexity of bubble sort. What is a hash table, and how does it work? Explain depth-first search (DFS) and breadth-first search (BFS) algorithms. Objective Questions Which data structure uses LIFO (Last In First Out)? A) Queue B) Stack C) Array D) Linked List