How do actors and objects fit into a sequence diagram? What ...

[cmoore54]

How do actors and objects fit into a sequence diagram?
 
  What will be an ideal response?

Question 2

Which of the following is the recommended means for disseminating an organization's information security policy?
 
  A) hardcopy distributions to all employees, not just new employees
  B) email distributions
  C) posting the policy on the organization's intranet
  D) all of the above

[Kdiggy]

Answer to Question 1

What sets an actor instance apart from an object instance is whether the entity is outside the system space or inside it. An entity in the problem space (i.e., outside the system space), is always an actor, even though it might be another component or subsystem. Objects are born (instantiated), live (send and receive message), and die (are destroyed) on the time line. Within the axes, the sequence diagram is composed of columns and rows. Each column identifies an instance of an actor or a class (object).

Answer to Question 2

D