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NEW QUESTION # 60
Which prim type allows adding a camera in USD?
- A. UsdGeom.Mesh
- B. UsdGeom.Light
- C. UsdGeom.Camera
- D. UsdShade.Material
Answer: C
Explanation:
UsdGeom.Camera defines camera attributes.
NEW QUESTION # 61
Which API can move multiple prims into /World in one shot?
- A. UsdGeom.MoveAll()
- B. Usd.Stage.ReparentAll()
- C. Sdf.BatchNamespaceEdit
Answer: C
Explanation:
Batch namespace edits support safe repathing/reparenting.
NEW QUESTION # 62
What does unloading a payload in usdview demonstrate?
- A. Primvars no longer exist in the file
- B. Variant sets stop working
- C. Descendant prims disappear until reloaded
- D. Materials are permanently deleted
Answer: C
Explanation:
Unloading a payload hides its descendant prims from the scene graph until it is reloaded.
NEW QUESTION # 63
What happens if multiple users work on the same layer instead of separate workstreams?
- A. It disables payloads
- B. They risk overwriting each other's changes
- C. It automatically merges contributions
- D. They get improved efficiency
Answer: B
Explanation:
If multiple users share the same layer, edits may overwrite each other's work. Splitting into separate workstreams avoids this.
NEW QUESTION # 64
What happens if a layer stack becomes too procedurally deep over time?
- A. Nothing changes
- B. It increases the cost of resolving and opening layers
- C. It reduces file size
- D. It improves performance
Answer: B
Explanation:
Deep or procedural layer stacks create overhead during composition, making load and resolve times slower.
NEW QUESTION # 65
What is the key difference between schema attributes and custom attributes?
- A. Schema attributes cannot be animated
- B. Schema attributes have fallbacks, custom attributes don't
- C. Custom attributes override schema ones
- D. Custom attributes are always numeric
Answer: B
Explanation:
Schema attributes have predefined fallbacks; custom ones require authored values.
NEW QUESTION # 66
What effect does encapsulation have on inherits and specializes arcs?
- A. Encapsulation disables both arcs
- B. Encapsulation removes default prims
- C. Encapsulation changes whether broadcasts are global or local due to path repathing
- D. Encapsulation makes specializes stronger than inherits
Answer: C
Explanation:
Encapsulation determines whether arcs apply globally (unencapsulated) or locally (encapsulated).
NEW QUESTION # 67
A user-friendly scene structure commonly introduces:
- A. /World with /World/Geometry and /World/Looks
- B. Materials under geometry prims
- C. Everything under /Root
- D. Geometry under /Looks
Answer: A
Explanation:
This convention improves readability and organization.
NEW QUESTION # 68
How do you bind a material to a mesh?
- A. UsdGeom.BindMaterial(mesh, material)
- B. mesh.SetMaterial(material)
- C. UsdShade.Material.Apply(mesh)
- D. UsdShade.MaterialBindingAPI.Apply(mesh.GetPrim())
Answer: D
Explanation:
MaterialBindingAPI is the standard way to attach a material to a prim.
NEW QUESTION # 69
What command-line tool was used to launch usdview on Windows in the activities?
- A. python usdview.py
- B. usdview.exe
- C. usd_inspect.bat
- D. .\scripts\usdview.bat
Answer: D
Explanation:
The provided workflow used the wrapper script .\scripts\usdview.bat for launching usdview on Windows.
NEW QUESTION # 70
Which of the following represents a fallback value?
- A. A deleted attribute value
- B. Schema-defined default when no authored value exists
- C. A custom attribute
- D. Value explicitly authored with Set()
Answer: B
Explanation:
Fallback values are provided by the schema when no authored values exist.
NEW QUESTION # 71
Even in a well-encapsulated asset, why can referencing a child like /World/Cube (instead of /World) drop materials?
- A. Because specializes arcs override materials to defaults
- B. Because payloads auto-unload materials
- C. Because the material may live on a sibling path not under /World/Cube
- D. Because sublayers cannot carry materials
Answer: C
Explanation:
Referencing a deeper child excludes siblings (e.g., Looks), so bindings can't find their targets.
NEW QUESTION # 72
Which statement about CreateAttribute() is true?
- A. It requires a type defined in Sdf.ValueTypeNames
- B. It automatically sets fallback values
- C. It always overwrites existing attributes
- D. It can only create schema attributes
Answer: A
Explanation:
Custom attributes must specify a type from Sdf.ValueTypeNames.
NEW QUESTION # 73
Which principle focuses on reusability and iterative improvement?
- A. Sharability
- B. Navigability
- C. Simplicity
- D. Modularity
Answer: D
Explanation:
Modularity allows assets to be reused, improved, and maintained independently.
NEW QUESTION # 74
Which layout indicates bad encapsulation for an asset meant to be referenced by /World?
- A. /World/Geometry, /World/Looks
- B. /World containing both geometry and materials
- C. /World only, with materials authored as variants under it
- D. /World/Geometry and /Looks at stage root
Answer: D
Explanation:
Placing Looks outside the referenced root prevents materials from being grafted.
NEW QUESTION # 75
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