Your network contains three Network Policy Server (NPS) servers named NPS1, NPS2, and NPS3. NPS1 is configured as a RADIUS proxy that forwards connection requests to a remote RADIUS server group named Group1. You need to ensure that NPS2 receives connection requests. NPS3 must only receive connection requests if NPS2 is unavailable. How should you configure Group1?
A. Change the Weight of NPS2 to 10.
B. Change the Weight of NPS3 to 10.
C. Change the Priority of NPS2 to 10.
D. Change the Priority of NPS3 to 10.