| 1. | What is the difference between a symbolic and hard reference? |
| 2. | What is a typeglob? |
| 3. | How do you create a pointer to a hash? |
| 4. | How can you tell an anonymous array from a named array? |
| 5. | Show two ways to dereference this pointer: $ptr = { 'Name' => "John";} |
| 6. | How do you dereference this pointer? $p = \$x; |
| 7. | What is meant by a nested hash? |
| 8. | How do you create a two-dimensional array? |
| 9. | What is the advantage of passing by reference? |
| 10. | What is the purpose of the ref function? |
