In order to enable the Certificate Authority (CA) server feature using Simple Certificate Enrolment Protocol (SCEP) on an IOS device, which three of the following configuration steps are required? (Choose three)
A . Enable auto- rollover for the pki Server
B . Set an authoritative clock source on the device
C . Set the hostname of the device
D . Generate a self-signed certificate
E . Enable ip http server on the device
F . Issue no shut under the crypto pki server command
Answer: A, B, E