NCP-OUSD

Review 69 NCP-OUSD practice questions with answer explanations and community insights.

Question 1

To make only the sphere visible given the following scene, which prims need their visibility opinions updated? (Choose three.)

  1. Scope
  2. Xform
  3. World
  4. Sphere
  5. Cube

Question 2

Which of these operations are likely to be slower when switching variants? (Choose two.)

  1. Changing reference paths
  2. Changing visibility
  3. Changing activation opinions
  4. Changing attribute values

Question 3

When developing a custom USD schema, what statements are true regarding API schemas versus typed schemas? (Choose two.)

  1. API schemas can be applied to multiple prim types while typed schemas define a specific prim type.
  2. Multiple API schemas can be applied to a single prim, but a prim can only have one typed schema.
  3. API schemas are more strict than typed and cannot define their own attributes or relationships.
  4. API schemas require Python bindings while typed schemas can be implemented to only support C++.

Question 4

You are a developer creating an OpenUSD exporter for an application that also supports import of USD assets. To enable collaborative workflows, you're adding an "export as overrides" option.Which approach correctly describes which structure your exporter should generate?

  1. Overs of the prims and properties that have been modified or added, omitting unchanged data.
  2. Export each prim separately into multiple layers, and reference them individually to maintain sparsity.
  3. Include explicit definitions of all prims, properties, and relationships exactly matching the imported asset to ensure consistency.

Question 5

What is the fundamental data type in USD that enables API schemas to be non-destructively removed in stronger layers?

  1. list ops
  2. arrays
  3. booleans
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