Question: What is a dangling pointer?

Options:

1. A pointer that points to a valid memory location
2. A pointer that points to a memory location that has been freed
3. A pointer that is not initialized
4. A pointer that points to itself

Correct Answer: A pointer that points to a memory location that has been freed

Solution:

A dangling pointer is one that points to a memory location that has been freed, leading to undefined behavior if accessed.