Yes.
Yes and categories are updated if needed in the new environment.
Yes and ActiveViews are updated if needed in the new environment.
If it doesn’t exist we add; if does exist we update.
Yes, including referential integrity (LiveReports for example are updated).
Will be updated so long as the reference exists in the destination or is a part of the export (it will then be created upon import).
Make sure that the connection is a part of the import – in that case, it’ll be imported into the destination system and created.
Yes. Do this with the correct import order.
Yes.