21. An important feature of the so-called waterfall model of systems development is the characteristic of interactivity that occurs between the phases.

	a.	True
	b.	False

22. This feature: _____ allows for and enablestransfer of data between companies in a computer-to-computer manner, usually over a private telecom network.

	a.	Electronic data interchange (EDI)
	b.	Radio frequency identification (RFID)
	c.	Enterprise resource planning (ERP)
	d.	Virtual Private NetApp

23. Among the various system development techniques is _____ which makes a graphical representation of an idea, concept or process,so developers can analyze, test, and modify the logic flow.

	a.	Prototyping
	b.	Rapid application development
	c.	Scrum
	d.	Modeling

24. Among the various system development techniques is the _____ method which causes software code to be created in a manner that supports modularity and reusability.

	a.	object-oriented analysis
	b.	adaptive
	c.	structured analysis
	d.	rapid application development

25. Among the various methods of system development is _________which focuses on key bursts of team-based effort and usually shared values within a particular community.

	a.	Object-oriented analysis
	b.	Agile method
	c.	Structured analysis
	d.	Rapid application development