A security analyst scans a company's public network and discovers a host is running a remote desktop that can be used to access the production network. Which of the following

changes should the security analyst recommend?

A$.$ Changing the remote desktop port to a non$-$standard number

B$.$ Setting up a VPN and placing the jump server inside the firewall

C$.$ Using a proxy for web connections from the remote desktop server

D$.$ Connecting the remote server to the domain and increasing the password length