MCSA/MCSE Self-Paced Training Kit (Exam 70-270): Installing ...

Glossary
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AC-3 The coding system used by Dolby Digital. A standard for high-quality digital
audio that is used for the sound portion of video stored in digital format.
Accelerated Graphics Port (AGP) A type of expansion slot that is solely for video
cards. Designed by Intel and supported by Microsoft Windows XP Professional,
AGP is a dedicated bus that provides fast, high-quality video and graphics performance.
access control entry (ACE) The entries on the access control list (ACL) that control
user account or group access to a resource. The entry must allow the type of
access that is requested (for example, Read access) for the user to gain access. If
no ACE exists in the ACL, the user cannot gain access to the resource or folder on
an NTFS partition. See also access control list (ACL).
access control list (ACL) A list of all user accounts and groups that have been
granted access for the file or folder on an NTFS partition or volume, as well as the
type of access they have been granted. When a user attempts to gain access to a
resource, the ACL must contain an entry, called an access control entry (ACE), for
the user account or group to which the user belongs. See also access control entry
(ACE).
access permissions Features that control access to shared resources in Windows XP
Professional.
access token A data structure containing security information that identifies a user to
the security subsystem on a computer running Windows XP Professional, Windows
2000, or Windows NT. An access token contains a user’s security ID, the
security IDs for groups that the user is a member of, and a list of the user’s privileges
on the local computer.
account See user account.
account lockout A Windows XP Professional security feature that locks a user
account if a number of failed logon attempts occur within a specified amount of
time, based on account policy lockout settings. Locked accounts cannot log on.
account policy Controls how passwords must be used by all user accounts on an
individual computer or in a domain.
ACE See access control entry (ACE).
ACL See access control list (ACL).
ACPI See Advanced Configuration and Power Interface (ACPI).
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