Unity Certified Professional Programmer Practice Questions - Unity Certified Professional Programmer Exam

Access More Questions

In the Unity Profiler's CPU Usage module you see a recurring spike labeled GC.Collect that correlates with a frame hitch every few seconds. What is the most likely root cause and correct response?

Managed heap allocations each frame are triggering the garbage collector; eliminate per-frame allocations (cache references, avoid LINQ/boxing/string concatenation in Update, pool objects) The GPU is overloaded; reduce texture resolution VSync is disabled; enable it to remove the spike The physics fixed timestep is too small; increase Time.fixedDeltaTime

Correct Answer:

Managed heap allocations each frame are triggering the garbage collector; eliminate per-frame allocations (cache references, avoid LINQ/boxing/string concatenation in Update, pool objects)

Access more questions from this quiz

Continue to Unity Certified Professional Programmer Practice Questions - Unity Certified Professional Programmer Exam for more practice questions and the full quiz experience.

Access More Questions