During inference time, used convolution and pooling?

AI & Data Science Deep Learning (Training & Inference) TensorRT
1

Hi, I study for CNN these days. But I have a question.
Is Convolution computation or pooling used only for train? Or is it used to inference too?

2

Both convolution and pooling are used in inference.
Note:
This is a general CNN question. please consider not to post them here .