Indexed allocation does not suffer from external fragmentation. Indexed allocation supports direct access. Which of the following options is correct?
1. Indexed allocation suffers from external fragmentation and does not support direct access.
2. Indexed allocation does not suffer from external fragmentation and supports direct access.
3. Indexed allocation suffers from external fragmentation and supports direct access.
4. Indexed allocation does not suffer from external fragmentation and does not support direct access.