Which two statements about CFS are true? (Choose two.)

[answerhappygod]

Which two statements about CFS are true? (Choose two.)

A. CFS distributes the local NTP configuration to masteronly which then forwards to all devices in network.
B. After enabling CFS, a network-wide lock is applied to NTP whenever an NTP configuration is started and released once after the change has been committed or discarded.
C. If CFS is used to distribute NTP, all devices in the network must have the different VRFs configured then as used for NTP.
D. You must manually distribute NTP authentication keys on the NTP server and Cisco NX-OS devices across the network.
E. CFS requires a license to be installed before it can be used to distribute NTP.