Which OpenUSD file format is text-based and human-readable?

• A.usda
• B.usdc
• C.usdz

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How can a Vec3d translation be authored?

• A.(5,0,0) tuple only
• B.Gf.Vec3d(5,0,0)
• C.String "5,0,0"

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Which Python API call appends a new sublayer path?

• A.prim.AddSublayer()
• B.Sdf.Layer.subLayerPaths.append()
• C.prim.CreateVariantSet()

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Which material authoring choice matches MTL better?

• A.UsdPreviewSurface with metallic workflow
• B.UsdPreviewSurface with specular workflow
• C.Only displayColor
• D.No shader graph

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Which function allows traversal into instance proxies?

• A.UsdPrim::GetChildren()
• B.UsdPrim::GetFilteredChildren(Usd.TraverseInstanceProxies())
• C.UsdStage::FlattenStage()

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