Answer: Functional strategic planning
Step-by-step explanation: Functional strategic planning refers to planning for a specific functional area of the organisation. This type of planning affects only one department or the area for which is made and other departments do not get affected from it very much. This is done by the departmental heads of the organisation.
In the given case, Jenna is the director of IT department and is planning to retreat her departments strategies. Her actions would only affect the IT department.
Hence from the above we can conclude that the correct option is D.