What feature layer type is created when a zipped shapefile is added to ArcGIS Online using the Add > Add Layer From File option?

When a zipped shapefile is added to ArcGIS Online using the Add > Add Layer From File option, it is processed and converted into a feature layer that allows for interaction and analysis in the web environment. The resulting layer is referred to as a shapefile layer. This is a simpler representation of the data structure, allowing users to visualize the geographical features without the additional capabilities that can be found in hosted feature layers.

A shapefile layer retains the initial attributes and geometry of the original shapefile but does not necessarily include the additional functionality or editing capabilities associated with hosted feature layers, which are made specifically for editing and complex interactions. Unlike hosted feature layers, which may require additional steps for publishing from ArcGIS Pro or other applications, the shapefile is immediately and simply represented upon upload.

Consequently, while other layer types like hosted view or hosted feature layers facilitate more advanced use cases, they do not directly result from the process of uploading a zipped shapefile in the manner described. Thus, the designation of the layer created in this scenario aligns specifically with the characteristics of a shapefile layer.