Which EAP Type to choose for 802.1x Wireless Policy?

Hi everyone,

i have a question about recommendation for EAP Type in a wireless policy:

Which configuration is more secure/recommendet?

a)

Authentication Type: PEAP

EAP Type: EAP-MSCHAP v2

b)

Authentication Type: EAP

EAP Type: Certificate

We have a working configuration with a) and could Change to b).

Thanks,

Andy