2-3-4 trees are B-trees of order 4. They are an isometric of _____ trees. a) AVL b) AA c) 2-3 d) Red-Black
Answer: d Explanation: 2-3-4 trees are isometric of Red-Black trees. It means that, for every 2-3-4 tree, there exists a Red-Black tree with data elements in the same order.