In a Rails controller, what does the code params.permit(:name, :sku) do?
params.permit(:name, :sku)
It filters out all parameters.
It raises an error if parameters that are not named :name or :sku are found.
:name
:sku
It filters out submitted form parameters that are not named :name or :sku to make forms more secure.
It raises an error if the :name and :sku parameters are set to nil.
nil