All challenges
Multiple ChoiceBeginner 30s

Dangling Pointer

A dangling pointer points to:
Options
  1. 1Freed or deallocated memory
  2. 2Valid memory for further reads
  3. 3NULL returned after the free call
  4. 4A function call frees the block

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle