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M4 - System Analysis
SYSTEM ANALYSIS AND DESIGN / IT0037
| Question | Answer |
|---|---|
| Which name is most appropriate for a logical DFD process that checks submitted scholarship evidence? | Validate Evidence |
| A sequence diagram shows a certificate being delivered before the payment service returns confirmation. What should the model reviewer do? | Reorder messages so delivery follows confirmed payment |
| 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 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 |
| 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 |
| 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? | Insert a validating process between the entity and data store |
| 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 |
| 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 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 |
| 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 |
| 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 |
| In a use-case diagram, the team names an actor 'Maria Santos' and links her to every function. What is the best improvement? | Use role actors linked to relevant goals |
| 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 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 |
| 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 |
| 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 |
| When is a DFD process normally treated as primitive? | When its logic is clear enough for a process specification |
| A security incident may move from Contained to Recovered only after integrity checks pass. How should this rule appear in a state model? | Guard Contained-to-Recovered with a successful integrity check |
| 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 |
Created by:
Jsean-Ed