Which of the following connection interfaces for external drives are supported by Time Machine? SELECT FOUR.
A . iPad Classic in disk mode
B . USB 2.0
C . USB 3.0
D . USB 2.0 Drive plugged into Airport Express
E . SCSI-S
F . FireWire 400/800
G . Thunderbolt
H . P-ATA
. SuperDrive
Answer: B, C, F, G
Explanation: http://www.macworld.com/article/1163850/external_desktop_hard_drives_buying_guide.html