CompTIA Security+ Question F-23

LDAP and Kerberos are commonly used for which of the following?

A. To perform queries on a directory service
B. To store usernames and passwords for Federated Identity
C. To sign SSL wildcard certificates for subdomains
D. To utilize single sign-on capabilities

Answer: D

Single sign-on is usually achieved via the Lightweight Directory Access Protocol (LDAP), although Kerberos can also be used.