Unity Unity Lighting and Rendering

Question 1

Which Unity lighting mode bakes lighting information into lightmaps and does NOT update at runtime?

Accepted Answer

Baked

Answer

Baked lighting precomputes light and shadow data into lightmaps at editor time, so it cannot change during gameplay.

Question 2

What component must be added to a camera to use Unity's Post-Processing Stack effects such as bloom and color grading?

Accepted Answer

Post-Process Layer

Answer

The Post-Process Layer component on a camera tells Unity to apply post-processing effects from nearby Post-Process Volumes.

Question 3

In Unity's Universal Render Pipeline (URP), which asset stores global rendering settings such as shadow distance and quality tiers?

Accepted Answer

UniversalRenderPipelineAsset

Answer

The UniversalRenderPipelineAsset (a ScriptableObject) holds pipeline-wide settings including shadow distance, MSAA, and renderer lists.

Question 4

Which type of light in Unity casts parallel rays and is most suitable for simulating sunlight?

Accepted Answer

Directional Light

Answer

A Directional Light emits parallel rays from a fixed direction regardless of position, making it ideal for simulating the sun.

Question 5

What is the purpose of a Reflection Probe in Unity?

Accepted Answer

To capture and apply environment reflections to nearby objects

Answer

A Reflection Probe captures a 360° image of its surroundings and applies those reflections to objects within its zone of influence.

Unity Practice Test