What is the advantage of using SASL authentication with OpenLDAP?

What is the advantage of using SASL authentication with OpenLDAP?

A.
It can prevent the transmission of plain text passwords over the network.

B.
It disables anonymous access to the LDAP server.

C.
It enables the use of Access Control Lists.

D.
It allows the use of LDAP to authenticate system users over the network.

E.
All of the above.