Question

Which of the following pattern has Step up phase as its activity?

(a) Prototype pattern

(b) Reactor Pattern

(c) Command pattern

(d) None of the mentioned

I got this question during a job interview.

I'm obligated to ask this question of The Prototype Pattern, Reactor Pattern and Command Pattern in section Visibility, Accessibility and Information Hiding of Software Architecture

Answer 1

Right option is (b) Reactor Pattern

To explain: Reactor pattern has two phases-Step up phase and Operational Phase.