What are the main outputs of systems design?

	A set of functional and non-functional requirements for the system
	The diagrams that form the basis for systems analysis
	A set of models that identify the states of the system through its development lifecycle
	A set of diagrams and documents that record detailed aspects of how the system will be built

One way to show multiple, independent alternative paths within an activity diagram is with a _______.

	synchronization bar
	activity oval
	swimlane
	decision diamond