These answers are correct because they achieve the behavior of creating a case ID only when the customer chooses to make changes to their membership. Temporary cases are cases that are not stored in the database until a Persist case step is reached in the case life cycle. This way, the case can be abandoned without creating any records or consuming any resources. Reference: https://academy.pega.com/library/87/pega-certified-business-architect-pcba-87v1 (Module 4: Case Design)

The three pillars that are used to capture information for the release are personas and channels, data and interfaces, and micro journeys. Personas and channels define who uses the application and how they access it. Data and interfaces define what information is stored and displayed in the application. Micro journeys define how users achieve their goals and outcomes in the application. Reference: https://academy.pega.com/library/81/pega-certified-business-architect-pcba-81

it suspends the parent case processing until the child cases are resolved, as per the requirement. The Wait step can be configured to pause the parent case until all child cases are resolved. This way, the parent case ensures that all child cases are completed before proceeding. Reference: https://academy.pega.com/library/87/pega-certified-business-architect-pcba-87v1 (Module 5: Case Hierarchy)

To inform a user by email when an assignment is added to the user's worklist, you need to configure the case type to send assignment notifications to assigned users. This option enables email notifications for all assignments in the case type. The other options are either incorrect or irrelevant for this requirement. Reference: https://docs-previous.pega.com/case-management/87/sending-email-notifications

To satisfy this requirement, you need to configure a calculation for the total cost field. A calculation is a type of validation that derives the value of a field from an expression or a formula. You can configure a calculation for the total cost field that multiplies the room rate by the number of nights and updates the value whenever the room selection changes. Reference: https://community.pega.com/knowledgebase/articles/user-interface/86/configuring-calculations