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CBAP Exam - Question 339

A business analyst (BA) is working on a payment system (PS) implementation. A set of systems which should interact with a new system has been identified. The business analyst defined that a user with role of "Supervisor" in the PS must pass a two-factor authentication before an execution of the functions: "Change system parameters" and "Set up new supervisor." A user must have the role of "Supervisor" to use the standard functions "Send mail notification" or "Send SMS notification".

The BA defined the following use cases:

"¢ "Change system parameters"

"¢ "Setup new supervisor"

"¢ "Send mail notification"

"¢ "Send SMS notification"

"¢ "Send notification"

"¢ "Pass a two-factor authentication"

The BA wants to create a Use Case diagram.

What standard relationship should be defined between "Change system parameters", "Setup new supervisor" and "Pass a two-factor authentication"?

A.

B.

C.

D.

Show Answer
Correct Answer:

The correct answer is D. In use case diagrams, the include relationship is used when a use case requires the functionality of another use case to be executed. In this scenario, 'Pass a two-factor authentication' is a mandatory step that must be completed before a 'Supervisor' can 'Change system parameters' or 'Set up new supervisor.' Therefore, 'Pass a two-factor authentication' is included in both 'Change system parameters' and 'Set up new supervisor.' This relationship is indicated by a dashed arrow pointing towards 'Pass a two-factor authentication' with the label <<include>>.

Discussion

8 comments
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siliconvalleykam
Jan 11, 2021

The question is asking for a relationship, so obviously the option A is wrong as there are no relationship mentioned. Answer should be D

Qualms
Mar 12, 2021

Option B. Extend relationship. The main use cases are Change System Parameters and Set Up New Supervisor. Meanwhile, Option A is referring to a relationship known as Generalization.

rupakarthik
Apr 15, 2021

ans-D this video might be helpful: https://youtu.be/zid-MVo7M-E

TochToch
Nov 24, 2022

Option D is the answer. Include relationship: The use case (Pass 2 Factor Authentication) is mandatory and part of the base use cases (Change System Parameters and Set Up New Supervisor). Include relationship is represented by a dashed arrow in the direction of the included use case with the notation <<include>>.

rhsdeal
Mar 31, 2021

Answer is D https://www.w3computing.com/systemsanalysis/use-case-modeling/ See the example of student enrollment and the 'Verify Student' portion.

OlivierPaudex
Mar 20, 2022

Answer D When a supervisor would change the parameters or setup a new supervisor, MFA * is mandatory, which means it is an include relationships. * MFA stands for multiples factors authentication

Farooq_95
Apr 24, 2024

D is correct. As per BABOK v3 10.47.3.1, the Include relationship allows for the use case to make use of functionality present in another use case. The included use case does not need to be a complete use case in its own right if it is not directly triggered by an actor. This relationship is most often used either when some shared functionality is required by several use cases or to abstract out a complex piece of logic. Here, the two use cases "Change System parameters" and "Setup new supervisor" includes the use case "Two Factor Authentication" without which the two use cases cannot be completed.

Rabbitsfoot
Apr 2, 2024

D - because: Pass a two-factor authentication <----(include)---- Setup new supervisor Pass a two-factor authentication <----(include)---- Change system parameters This indicates that "Pass a two-factor authentication" is a prerequisite for both "Setup new supervisor" and "Change system parameters" to be executed.