In a sequence diagram, an activation bar represents the duration of time during which an object is actively processing a message.True or False?Select one:TrueFalse

In a sequence diagram, what does a nested activation bar represent?a.The duration of time during which an object is actively processing a messageb.The vertical space allocated for an object, showing its existence over timec.A combined fragment representing a conditional behaviord.A loop structure within the sequence of messages

What does the term "activation" refer to in the context of a sequence diagram?a.The deletion of an objectb.The creation of a new objectc.The interaction between objects in a systemd.The duration of time during which an object is actively processing a message

A dashed arrow in a sequence diagram represents a synchronous message, indicating that the sender can proceed with its execution before receiving a response.True or False?Select one:TrueFalse

A self-message in a sequence diagram is used to show communication between objects of the same class.True or False?Select one:TrueFalse

In a sequence diagram, a return message is used to indicate the completion of a method call and the return of control to the caller.True or False?Select one:TrueFalse