How can a session variable value be updated when a process is running? (select all that apply)

Look at this flow diagram from the Main Page of a process in Process Studio:
Thinking about the standard Blue Prism Process Templates, what is wrong with how this Main Page is handling exceptions?
Examine the following process flow:
The Loop Orders loop is configured to loop through the Orders collection.
How many times will the ‘Process Order’ page be executed?
Consider the following process flow from a sub-page of a process:
What is the problem with this sub-page flow?
Consider the following process flow from the Main Page of a process in Process Studio:

Thinking about the standard Blue Prism Process Templates, what is wrong with this Main Page process flow?