what two actions need to be done to display the laptop content after connecting the cable?

When using Auto-Collaborate, what two actions need to be done to display the laptop content after connecting the cable? (Choose two)

A.
Press the Auto-Collaborate softkey.

B.
Initiate Auto-Collaborate on the codec’s GUI.

C.
Set the laptop resolution to 1024×768.

D.
Set your laptop resolution to 1024×720.

E.
Use function key on the laptop to send signal to external display.