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NVIDIA NCA-AIIO Exam - Topic 2 Question 16 Discussion

Which type of GPU core was specifically designed to realistically simulate the lighting of a scene?
C) Ray Tracing Cores
A) Tensor Cores
B) CUDA Cores

NVIDIA NCA-AIIO Exam - Topic 2 Question 16 Discussion

Actual exam question for NVIDIA's NCA-AIIO exam
Question #: 16
Topic #: 2
[All NCA-AIIO Questions]

Which type of GPU core was specifically designed to realistically simulate the lighting of a scene?

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Suggested Answer: C

Ray Tracing Cores, introduced in NVIDIA's RTX architecture, are specialized hardware units built to accelerate ray-tracing computations---simulating light interactions (e.g., reflections, shadows) for photorealistic rendering in real time. CUDA Cores handle general-purpose parallel tasks, and Tensor Cores optimize matrix operations for AI, but only Ray Tracing Cores target lighting simulation.

(Reference: NVIDIA GPU Architecture Whitepaper, Section on Ray Tracing Cores)


by Pok at Apr 02, 2026, 07:15 PM

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Ashton
1 month ago
I’m not sure, but I feel like CUDA Cores do some lighting too.
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Colette
1 month ago
Agreed! Ray tracing is all about realistic lighting.
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Elroy
1 month ago
I think it's C) Ray Tracing Cores. They handle lighting well.
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William
2 months ago
100% Ray Tracing Cores, no doubt!
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Aleisha
2 months ago
Really? I didn't know they had specific cores for that.
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Ruthann
2 months ago
Yeah, Ray Tracing is the way to go for lighting!
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Tina
3 months ago
I thought it was CUDA Cores?
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Carman
4 months ago
Definitely Ray Tracing Cores!
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Bettina
4 months ago
I'm torn between CUDA Cores and Ray Tracing Cores. I know CUDA Cores are more general-purpose, but lighting simulation sounds like something Ray Tracing Cores would handle.
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Rodolfo
5 months ago
I vaguely recall a practice question about GPU cores, and I think Ray Tracing Cores were highlighted for their ability to simulate light.
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Vernell
5 months ago
I feel like we covered this in class, and CUDA Cores were mentioned a lot, but I don't think they focus on lighting specifically.
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Halina
5 months ago
I think it might be Ray Tracing Cores, but I'm not entirely sure. I remember something about them being used for realistic lighting effects.
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