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sysad f4
| Question | Answer |
|---|---|
| Every online refund must verify the requester's identity, while supervisor review occurs only when the amount exceeds a threshold. How should these relationships be modeled? | Include mandatory verification; extend conditional supervisor review |
| One model uses 'Student No.' while another uses 'Learner ID' for the same institutional identifier. What should the analyst do? Standardize canonical name, aliases, domain, and meaning across models Keep both terms without explanation | Standardize canonical name, aliases, domain, and meaning across models |
| A sequence diagram shows a certificate being delivered before the payment service returns confirmation. What should the model reviewer do? Move payment confirmation into a class attribute only Reorder messages so delivery follows confirmed payment | Reorder messages so delivery follows confirmed payment |
| When is a DFD process normally treated as primitive? When it has no inputs or outputs When it is the largest process in the system When its logic is clear enough for a process specification When it is implemented by an external entity | When its logic is clear enough for a process specification |
| In a use-case diagram, the team names an actor 'Maria Santos' and links her to every function. What is the best improvement? Turn Maria Santos into an internal class Use role actors linked to relevant goals | Use role actors linked to relevant goals |
| The flow 'Contact Details' contains name, one or more phone numbers, and an optional email address. How should the data dictionary represent it? | Define elements, structure, repetition, optionality, formats, and domains |
| After an order is confirmed, inventory reservation and payment authorization may proceed in parallel, but shipping begins only after both finish. Which activity-diagram elements express this? | Fork, then join before shipping |
| A level-0 DFD sends an 'Approved Request' flow directly from the Approver external entity to the Request Archive data store. What is the defect? Approved data may never be stored Insert a validating process between the entity and data store | Insert a validating process between the entity and data store |
| Which name is most appropriate for a logical DFD process that checks submitted scholarship evidence? Validate Evidence Evidence Database Server Scholarship Form | Validate Evidence |
| Process 2.0 receives 'Verified Application' and outputs 'Eligibility Result.' Its child diagram receives an additional 'Supervisor Override' from an external entity. What must the team do? | Reconcile parent and child flows to restore balance |
| A customer may place zero or many orders, and every order belongs to exactly one customer. Which multiplicities are correct? Customer to Order is 0..*; Order to Customer is 1 Customer to Order is 1, and Order to Customer is 0..* | Customer to Order is 0..*; Order to Customer is 1 |
| A context diagram for an enrollment service shows separate internal processes for validation, payment, and section assignment. What correction is needed? | Model one system process with external entities and boundary flows |
| Requirement REQ-18 says returned equipment must trigger an inspection record. The DFD stores the return but no model shows inspection creation. What should the team conclude? | Add missing traced behavior and reconcile all related models |
| A proposed domain model contains LoginScreen, BlueButton, and ReportPage but omits Case, Evidence, Reviewer, and Decision. What is the main problem? | Replace interface artifacts with domain concepts and relationships |
| A diagramming tool reports no syntax errors, but stakeholders say the modeled approval path is wrong. What is the best conclusion? | Perform a requirements-traced scenario walkthrough and correct the semantics |
| A decision table for access approval has two conditions, but it omits the case where identity is verified and authorization has expired. What is the best correction? | Add the missing combination and recheck completeness and consistency |
| A security incident may move from Contained to Recovered only after integrity checks pass. How should this rule appear in a state model? As a data store connected directly to Recovered Guard Contained-to-Recovered with a successful integrity check | Guard Contained-to-Recovered with a successful integrity check |
| A game-analysis team must represent characters, inventory items, abilities, and behavior such as equip and use. Which model is generally most informative at this stage? | Use a domain or class model for concepts, relationships, attributes, and responsibilities |
| The use case refers to a Beneficiary, the DFD sends Recipient Details, and the domain model defines Client with no aliases or mapping. What should the team do? | Standardize or explicitly map concepts across all affected models |
| A primitive process applies a simple sequence with an IF condition and a repeated check for incomplete attachments. Which specification technique is appropriate? | Use structured English with controlled terms and defined data |
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