__________________ is the third core security principle, and it is defined as a characteristic of a resource being accessible to a user, application, or computer system when required.

_____________________________  is a principle that prevents any single person or entity from being able to have full access or complete all the functions of a critical or sensitive process. It is designed to prevent fraud, theft, and errors

_____________________is a mechanism that allows authentication of dial-in and other network connections including modem dial-up, wireless access points, VPNs, and web servers.

The ______________________is an electronic document that contains an identity such as a user or organization and a corresponding public key.

___________________  is a feature introduced with Windows 7 that enables users to encrypt removable USB devices, such as flash drives and external hard disks.

A ______________________ is a Windows server that stores a replica of the account and security information of the domain and defines the domain boundaries. 

________________ is the default computer network authentication protocol, which allows hosts to prove their identity over a non-secure network in a secure manner. 

___________________ is an authentication method that identifies and recognizes people based on voice recognition or a physical trait such as a fingerprint, face recognition, iris recognition, or retina scan

Account _________________ refers to the number of incorrect logon attempts permitted before the system will lock the account. 

_______________________is a concept we deal with frequently in real life. We expect our doctor to keep our medical records confidential.