you need to configure?

You want to use traditional GUI tools on a Database as a Service (DBaaS) instance. You
have configured PuTTY and SSH sessions.
What two things would you need to configure?

A.
X server program

B.
VPN connection

C.
X11 forwarding

D.
Remote Desktop Connection

Explanation:
The key benefits of using X11 over SSH is:
Server can have less packages installed.
None of the desktop packages and services need to be installed (such as CUPS,
Bluetooth, & Network Manager). Freeing CPU & Memory on the server.
User accesses server over a secure connection. Graphics are tunneled over SSH.