Unreal Engine Quality Control & Assurance 3

Question 1

Which Unreal Engine system generates a 'Size Map' to help QA identify which assets are consuming the most memory in a cooked build?

Accepted Answer

Asset Audit window

Answer

The Asset Audit window's Size Map visualizes the memory footprint of assets hierarchically, making it easy to find over-budget resources.

Question 2

What does a 'Check In' gate in a Unreal Engine CI/CD pipeline typically run to prevent broken builds?

Accepted Answer

Compile check, cook validation, and smoke-filter automation tests

Answer

A pre-submit gate typically compiles the project, performs a fast cook, and runs smoke-filter tests to catch breakages before they reach the main branch.

Question 3

In UE5, which QA step is critical after enabling Lumen for the first time on a project?

Accepted Answer

Validating that Lumen Scene Detail and Lumen Reflections behave correctly in all target lighting conditions

Answer

After enabling Lumen, QA must validate GI and reflection accuracy across all lighting scenarios because Lumen behaves differently from baked lighting.

Question 4

What is the purpose of the 'r.ScreenPercentage' console variable during QA performance testing?

Accepted Answer

Controls the internal render resolution as a percentage of display resolution

Answer

'r.ScreenPercentage' scales the internal rendering resolution, allowing QA to test performance at various resolution scales including TSR/DLSS upscaling scenarios.

Question 5

When a Blueprint script causes a 'Accessed None' runtime error, which UE editor setting helps QA catch these during automated tests?

Accepted Answer

Enable 'Accessed None' warnings as errors in Project Settings > Blueprints

Answer

Promoting 'Accessed None' warnings to errors in Project Settings causes Blueprint null-access bugs to halt the game, making them detectable in automated runs.

Unreal Engine Practice Test

Unreal Engine Practice Test

Unreal Engine Quality Control & Assurance 3