What are two considerations when deploying a Cisco Hyperlocation?

What are two considerations when deploying a Cisco Hyperlocation? (Choose two.)
A. NTP configuration is available, but not recommended.
B. The Cisco Hyperlocation feature must be enabled only on the wireless LAN controller.
C. After enabling Cisco Hyperlocation on Cisco CMX, the APs and the wireless LAN controller must be restarted.
D. The Cisco Hyperlocation feature must be enabled on the wireless LAN controller and Cisco CMX.
E. If the Cisco CMX server is a VM, a high-end VM is needed for Cisco Hyperlocation deployments.