The security manager wants to unify the storage of credential, phone numbers, office numbers,
and address information into one system. Which of the following is a system that will support the
requirement on its own?

A.
LDAP

B.
SAML

C.
TACACS

D.
RADIUS

Explanation:
A ‘directory’ contains information about users.
The Lightweight Directory Access Protocol (LDAP) is a directory service protocol that runs on a
layer above the TCP/IP stack. It provides a mechanism used to connect to, search, and modify
Internet directories.
The Lightweight Directory Access Protocol (LDAP) is an open, vendor-neutral, industry standard
application protocol for accessing and maintaining distributed directory information services over
an Internet Protocol (IP) network. Directory services play an important role in developing intranet
and Internet applications by allowing the sharing of information about users, systems, networks,
services, and applications throughout the network. As examples, directory services may provide
any organized set of records, often with a hierarchical structure, such as a corporate email
directory. Similarly, a telephone directory is a list of subscribers with an address and a phone
number.