What must be done on the Cisco ESA to accomplish this goal?

An engineer has enabled LDAP accept queries on a listener. Malicious actors must be prevented from quickly identifying all valid recipients .

What must be done on the Cisco ESA to accomplish this goal?
A . Use Bounce Verification
B . Configure incoming content filters.
C . Bypass LDAP access queries in the recipient access table.
D . Configure Directory Harvest Attack Prevention

View Answer

Answer: D

Explanation: