It is predicted that ____ could become a key element in authentication in the future.

A(n) ____ can also capture transmissions that contain passwords.

A ____ trust refers to a situation in which two individuals trust each other because each trusts a third party.

____ is an authentication service commonly used on UNIX devices that communicates by forwarding user authentication information to a centralized server.

____ attacks may allow an attacker to construct LDAP statements based on user input statements.

____ is designed to ensure that an organization can continue to function in the event of a natural or man-made disaster.

At the ____ stage of the certificate life cycle, the certificate is no longer valid.

____ is designed to ensure that an organization can continue to function in the event of a natural or man-made disaster.

____ permits users to share resources stored on one site with a second site without forwarding their authentication credentials to the other site.

____ can verify the authenticity of the sender and enforce nonrepudiation to prove that the sender is who he claims to be and cannot deny sending it.