Joe, a network administrator, is able to manage the backup software console by using his network login
credentials. Which of the following authentication services is the MOST likely using?
Joe is able to manage the backup system by logging into the network. This is an example of Single Sign-on.
A common usage of LDAP is to provide a “single sign on” where one password for a user is shared between
many services, such as applying a company login code to web pages (so that staff log in only once to company
computers, and then are automatically logged into the company intranet).
The Lightweight Directory Access Protocol 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