Qt/QML qmlRegisterType vs. setContextProperty (difference)

Question

In Qt/QML application (this code usually resides in main.cpp of QtCreator project), what is the difference between following ways of exposing C++ class to QML:<

Answer 1

In the first one you are declaring a C++ type available for instantiation in QML, in the second you are declaring a global variable "uePeopleModel" of the same type.