IT IT Systems Analysis and Design 2

Question 1

In UML, what does a Use Case Diagram illustrate?

Accepted Answer

Interactions between actors and system use cases

Answer

A Use Case Diagram shows external actors and the system functions they interact with, representing high-level functional requirements.

Question 2

Which SDLC model delivers working software in iterative increments with frequent stakeholder feedback?

Accepted Answer

Agile Model

Answer

Agile breaks development into short sprints or iterations, delivering working software frequently and adapting to stakeholder feedback.

Question 3

What is an Entity-Relationship (ER) diagram used for in system design?

Accepted Answer

Representing the data entities and relationships in a database

Answer

An ER diagram visually represents data entities, their attributes, and the relationships between them for database design.

Question 4

What does 'normalization' mean in the context of database design during systems analysis?

Accepted Answer

Organizing data to reduce redundancy and improve integrity

Answer

Normalization restructures tables to eliminate data redundancy and ensure logical data dependencies, following rules called normal forms.

Question 5

Which technique is used to gather detailed user requirements through one-on-one or group sessions with stakeholders?

Accepted Answer

Joint Application Development (JAD)

Answer

JAD sessions bring users, managers, and developers together in structured workshops to collectively define and agree on system requirements.

IT - Bachelor's Degree in Information Technology Practice Test