The wan connections to your regional offices are unfortunately extremely slow for your users and they are complaining about files services taking very long to access. which windows server 2012 functionality will allow you to provide your remote users support?

BranchCache is the Window Server 2012 which functionally allow us to provide our remote user support

Explanation:

BranchCache is the WAN bandwidth optimization technology which is included in some editions of Windows Server2016, Windows Server2012, Windows Server2012 R2 operating system and as well as Windows10, Windows8, Windows8.1, Windows7 operating system.

BranchCache provide the remote users support. It is WAN connection which are complaining about the files services that taking very long to access.

The correct answer to the following question will be "BranchCache".

Explanation:

BranchCache seems to be the WAN connectivity compression framework included within the several versions of the OS Windows Server 2016, 2012, 2012-R2, and  Windows10, 8, 8.1 and 7.

So, it's the right answer.

answer; i believe the correct answer is (psychological pricing);