HOTSPOT
You have a server named Server1 that runs Windows Server 2012 R2. Server1 has the
Remote Access server role installed.
You have a client named Client1 that is configured as an 802. IX supplicant.
You need to configure Server1 to handle authentication requests from Client1. The solution
must minimize the number of authentication methods enabled on Server1.
Which authentication method should you enable? To answer, select the appropriate
authentication method in the answer area.
Answer: 
Explanation:
Microsoft® Windows® uses EAP to authenticate network access for Point-to-Point Protocol
(PPP) connections (dial-up and virtual private network) and for IEEE 802.1X-based network
access to authenticating Ethernet switches and wireless access points (APs).
http: //technet. microsoft.com/en-us/library/bb457039.aspx
I think it’s MS-CHAPv2. The question doesn’t say whether we have a NPS server, which would be needed if the option was EAP.
MS-CHAPv2 can’t be used for 802.1x
yes it can be.
Only in conjunction with PEAP.
it can be used without PEAP, I’ve seen a customer using this and it worked definately.
But this is a messy question: why use RRAS for 802.1X anyway?? I only know using NPS for this. Further the question does not state that there’s PKI deployed, so how use EAP without certificates?
https://technet.microsoft.com/en-us/library/cc759077%28v=ws.10%29.aspx
EAP-MS-CHAP v2 is available only with PEAP, but the solution must minimize the number of authentication methods. Answer – EAP.
https://technet.microsoft.com/en-us/library/hh994700.aspx
Like EAP is 1 authentication method… https://en.wikipedia.org/wiki/Extensible_Authentication_Protocol
I go for MS-CHAPv2
Microsoft Windows uses EAP to authenticate network access for Point-to-Point Protocol (PPP) connections (dial-up and virtual private network) and for IEEE 802.1X-based network access to authenticating Ethernet switches and wireless access points (APs).
EAP