Which of the following is true about Sequence frames?
(a) A sequence diagram has a frame consisting of a rectangle with a pentagon in its upper left-hand corner
(b) The pentagon is its name compartment; the interaction is represented inside the rectangle
(c) The string in the name compartment has the form sd interaction Identifier where interaction Identifier is either a simple name or an operation specification with the same format as in a class diagram
(d) All of the mentioned
This question was addressed to me at a job interview.
I'd like to ask this question from UML Sequence Diagrams in portion Unified Modelling Language of Software Architecture