The type of strategy that Serena is using here is what is called the Top-down strategic planning.
This is the type of organizational flow where information and other sorts of activities is made to flow from the top to the lower levels of hierarchy.
Serena is the CEO and she has asked her subordinates to come up with a a strategy for the company.
Read more on the Top-down strategic planning here: https://brainly.com/question/27770473
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