Does variable refresh rate work across mixed monitor configurations?

Answers others found helpful

• Do G-SYNC Compatible displays work on both DisplayPort and HDMI with GeForce GPUs?
• I own an Adaptive-Sync monitor that is not on your G-SYNC Compatible list. Can I enable variable refresh rate anyways?
• If I have a G-sync monitor, should I enable Fast Sync as well?
• What are the system requirements for G-sync Compatible display technology?
• Do NVIDIA GeForce display drivers support frame doubling on G-SYNC Compatible displays?