Briefing Apple Knowledge

Which of the following is preventing this transfer?

Randall is using OS X Yosemite v10.10 on a MacBook Air (Late 2010). He would like to AirDrop a 7GB
file to a colleague. The colleague is using OS X Mountain Lion v10.8.5 on an iMac (Early 2009).
Randall cannot locate the colleague’s iMac in AirDrop. Which of the following is preventing this
transfer?

A.
AirDrop does not support files larger than 5GB.

B.
The iMac (Early 2009) does not support AirDrop.

C.
On the MacBook Air, Randall must first click “Don’t see who you’re looking for?’

D.
OS X Yosemite cannot AirDrop with OS X Mountain Lion.

Explanation:

https://support.apple.com/en-us/HT203106