Which one of the following is true about a singly linked lis

Which one of the following is true about a singly linked list At least two nodes have to be n existence for the linked list to function All nodes but one point to another node or hold a reference to another node linked lists are an example of hierarchical data structures Similar to arrays, any node in the linked list can be referenced by its index.

Solution

The answer is c.

Because the structure of the list is similar to that of the tree physically, as Both the list and tree form the hiearchical pattern.

Hence linked list is a example of hierarchical data structure.