All node pointers that do not point to other nodes are set to
A) the root of the tree
B) a parent node
C) their leftmost child node
D) a null pointer
E) None of these

Question

Quizplus · Accepted Answer

Node pointers that do not point to other nodes are usually set to null pointer to indicate that there is no connection to other nodes. This helps in traversing the tree efficiently without unnecessary checks for empty nodes.

All Node Pointers That Do Not Point to Other Nodes