Answer:
1) The VPN Client
2) VPN Server
Explanation:
The first VPN solution includes following elements.
1) The VPN Client: In our solution we required a VPN client.
2) VPN Server: The server of VPN includes following elements:
a) IP addressing
b) Tunnel and authentication
c) Remote access policy
d) Filtering
3) The software and hardware includes:
a) VPN enabled optamized router
b) VPN enabled firewall
So, according to first VPN solution we required vpn client as well as the vpn server.
The second solution include the vpn client as well as the vpn server. Here vpn client as well as the vpn
server having very limited functionality.