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Pay close attention to the nature of the relationship between Student and Course.
You must correctly model Grade Report as an Association Class, showing its
connections and attributes.
Question 2. (3.0 points)
Business Scenario: A student wants to register for a new course through the portal. The student
interacts with a Course Registration View (boundary object). This view sends the selected
course ID to a Registration Controller (control object). The controller first checks the student's
eligibility (e.g., have they met the prerequisites?) by calling a PrerequisiteService (service
object). If eligible, the controller then creates a new enrollment record using an
Enrollment Repository (entity object).
Task: Choose the best UML diagram (Sequence or Communication) to clearly show the step-
by-step, time-ordered flow of messages for this registration process. Draw the diagram you
have chosen. You must label each object with its correct application logic stereotype
(«<boundary», «<control>>, etc.).
Question 3. (2.0 points)
Business Scenario: A student's academic standing (học lực) has a lifecycle based on their GPA.
A new student starts in the GoodStanding state. At the end of each semester. their GPA is
+100%
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