You need to design an authentication strategy for the administrators of the IT department to remotely connect to the network whilst ensuring your solution meets security requirements.
What should you do?

A.
You should consider creating a remote access policy on each of the VPN servers and configuring the policy to require L2TP to establish a connection

B.
You should consider creating a remote access policy on each of the VPN servers and configuring the policy to use the ch.gnbank.com to authenticate remote access users

C.
You should consider installing Internet Authentication Services (IAS) on a stand-alone server in the Chicago extranet and create local user accounts for the IT personnel on the IAS server

D.
You should consider installing Internet Authentication Services (IAS) on a server in the ch.gnbank.com domain You should then configure the VPN servers as RADIUS clients