Mine fluctuates between “traveling” and “lost”

In which of these cases would you be most likely to implement a Windows HomeGroup?

A) You need a drive array that displays all of the drives in your home as a single group

B) You need to share files with everyone in the house

C) You need to connect from a remote device to a computer in your home

D) You need to upgrade all of your systems at home as a single group

E) You need a wireless network for everyone in your house

F) You need one of those clocks that can show you the location of all your family members