Exam PL-400 topic 3 question 9 discussion

HOTSPOT -
A company has a development environment and a production environment. The production environment has several third-party managed and unmanaged solutions that made changes to the Contact main form.
You create a new solution in the development environment. You add the Contact entity and the Contact main form to the solution. You create a custom field on the
Contact entity.
What happens when you perform these actions in the new solution and import the solution as managed into the production environment?
NOTE: Each correct selection is worth one point.
Hot Area:

Suggested Answer:
Box 1: The field is appended to the end of the existing section.
When you add new elements to a form that is to be merged, we recommend that you include your new elements within new container elements (tabs or sections).
Additions to any container will be appended to the end of the container. For example, fields added to a section will be positioned at the end of the section.
Reference:
https://docs.microsoft.com/en-us/previous-versions/dynamicscrm-2016/developers-guide/gg309329(v=crm.8)