Which statement Is true regarding configuring NPV mode?

Which statement Is true regarding configuring NPV mode?
A . When you enable NPV, the system configuration is erased and t* switch reboots
B . When you enable NP
C . the system configuration is not erased and the does not switch reboot
D . In Exhibit 3 NPV is enabled. but Server interface to the external switch is not bed to correct vfc 2/1.
E . m NPV mode, the core switch relays traffic from server-side ports to the edge switch and core swtich provides N ports.

Answer: A

Explanation:

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli_rel_4_0_1a/CLIConfigurationGuide/npv.html