In which order of events should you use to move a large server rack between floors?

Numerous server farms in a large data warehouses needs to be moved to another location. In which order of events should you use to move a large server rack between floors?

A.
Create an accurate wiring diagram, remove all racked components, move the rack to its new location, replace all of the components to their original rack locations, and rewire the components.

B.
Move the rack to its new location, replace all of the components to their original rack locations, create an accurate wiring diagram, and rewire the components.

C.
Replace all of the components to their original rack locations, and rewire the components, create an accurate wiring diagram, remove all racked components, move the rack to its new location.

D.
Remove all racked components, move the rack to its new location, replace all of the components to their original rack locations, create an accurate wiring diagram and rewire the components.

Explanation:
Recall that larger data warehouses use racks to house their numerous server farms. Occasionally, these racks may need to be moved to new locations. The proper order of events for moving a large server rack from one office or floor level to another is first to create an accurate wiring diagram, remove all racked components, move the rack to its new location, replace all of the components to their original rack locations, and finally to rewire the components according to the guidelines noted in the diagram.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 227-240.