Analysis for Business Systems

What differentiates RAD from Waterfall?

• Iteratively delivers features via sprints

• Clearly defined phases with deliverables

What differentiates Agile from Waterfall?

Functional requirements are usually discussed with subject-matter experts.

• true

• false

Non-functional requirements are usually discussed with developers.

• true

• false

Online retailers frequently implement systems that recommend other products to customers based on their previous purchase history, what time of year they made the purchase, what other customers frequently bought in addition to the customers purchase, and other data relating to the purchase. This is an example of:

• Business Intelligence Architecture

• Operational Architecture

When balancing DFDs and ERDs, what will data stores & some external entities become in an ERD?

• Entities

• Attributes

In a use case, what level of detail has exhaustive, numbered steps with data flows?

• Fully-dressed

• Casual

• Briefs

When balancing DFDs and ERDs, what will data flows become in an ERD?

• Entities

• Attributes

What DFD type focuses on the business and business activities?

• Physical DFD

• Logical DFD

What diagram includes a system, external entities, processes, boundaries, inputs, and outputs?

• Swim-lane diagram

• Context diagram