Sequence Diagram

Which diagram models the interactions between objects in a single use case.

• Activity

• Sequence

• Usecase

• Class

Which element indicates a system interface/ software element in a system?

• Boundary

• Control

• Lifeline

• None of These

Which message is used when the sender waits for the receiver to process the message and return before carrying on with another message

• Synchronous

• Asynchronous

• Return

• All of the Above

Which fragment is used to represent a repetitive sequence

• reference

• alternate

• options

• loop

Which fragment is used to indicate a sequence that will only occur under a certain condition, otherwise, the sequence won’t occur

• alt

• reference

• options

• loop

What is a lifeline?

• It is a frame consisting of a rectangle with a pentagon in its upper left-hand corner

• It is a rectangle containing an identifier with a dashed line extending below the rectangle

• It is a name compartment; the interaction is represented inside the rectangle

• None of These