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. Which technique should be used to define a communications protocol between the PS and other systems?

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The Answer of 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. Which technique should be used to define a communications protocol between the PS and other systems?

A Business Analyst (BA) Is Working on a Payment System