Your network contains four Network Policy Server (NPS) servers named Server1, Server2,
Servers, and Server4.
Server1 is configured as a RADIUS proxy that forwards connection requests to a remote
RADIUS server group named Group1.
You need to ensure that Server2 and Server3 receive connection requests. Server4 must
only receive connection requests if both Server2 and Server3 are unavailable.
How should you configure Group1?