Which two things should the engineer consider during this process?

An engineer is syncing Cisco Unity Connection with LDAP.

Which two things should the engineer consider during this process? (Choose two.)
A . PINs and passwords are replicated from the LDAP database to Cisco Unity Connection database.
B . LDAP authentication must be configured and enabled.
C . There is no limit to the amount of LDAP filters that can be created.
D . SSL certificates from LDAP must be uploaded to Cisco Unity Connection.
E . LDAP synchronization must be configured and enabled.

Answer: C,E