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game port
An input/output connector
to which you attach a joy stick or other game device to your computer. It
is typically a 15-pin socket on the back of a PC.
A device connected to
multiple physical TCP/IP networks capable of routing or delivering IP
packets between them. A gateway translates between different transport
protocols or data formats (for example, IPX and IP) and is generally added
to a network primarily for its translation ability.
In the context of
interoperating with Novell NetWare networks, a gateway acts as a bridge
between the server message block (SMB) protocol used by Windows networks
and the NetWare core protocol (NCP) used by NetWare networks. A gateway is
also called an IP router.
Objects from the Graphics
Device Interface (GDI) library of application programming interfaces
(APIs) for graphics output devices. In Task Manager, the number of GDI
objects currently used by a process.
A Windows service that is
supported as a cluster resource by a Resource DLL.
1,024 megabytes, though
often interpreted as approximately one billion bytes.
In an Active Directory
network, a normal user account in a user's domain. Most user accounts are
global accounts. If there are multiple domains in the network, it is best
if each user in the network has only one user account in only one domain,
and each user's access to other domains is accomplished through the
establishment of domain trust relationships.
A domain controller that
contains a partial replica of every domain in Active Directory. In other
words, a global catalog holds a replica of every object in Active
Directory, but with a limited number of each object's attributes. The
global catalog stores those attributes most frequently used in search
operations (such as a user's first and last names) and those attributes
required to locate a full replica of the object.
The Active Directory
replication system builds the global catalog automatically. The attributes
replicated into the global catalog include a base set defined by
Microsoft. Administrators can specify additional properties to meet the
needs of their installation.
A security or
distribution group that can have users, groups, and computers from its own
domain as members. Global security groups can be granted rights and
permissions on resources in any domain in the forest. Global groups cannot
be created or maintained on computers running Windows XP Professional.
However, for Windows XP Professional computers that participate in a
domain, domain global groups can be granted rights and permissions at
those workstations and can become members of local groups at those
workstations.
The follow-up queries or
successive lookups that are made to resolve glue records in a zone to
other remote DNS servers that are authoritative for a derivative zone.
When glue chasing is performed, name server (NS) resource records for
delegated DNS servers are chased, or followed, by using successive queries
to resolve the servers named in NS records to their host address (A)
resource records and to obtain server IP addresses.
A resource record for
out-of-zone information used to provide helpful pointer information for
locating DNS servers that have been delegated authority for specific
subdomains derived from a zone's domain of origin. These records are used
to glue zones together and provide an effective delegation and referral
path for other DNS servers to follow when performing a recursive lookup to
fully resolve a name.
A display mode in which
lines and characters on the screen are drawn pixel by pixel. Graphics mode
displays images by grouping individual dots into shapes, such as the
arrowhead of a mouse pointer. It can also preview character formatting,
such as boldface and italics, as it will appear in print.
A collection of users,
computers, contacts, and other groups. Groups can be used as security or
as e-mail distribution collections. Distribution groups are used only for
e-mail. Security groups are used both to grant access to resources and as
e-mail distribution lists.
A collection of user
accounts. By making a user account a member of a group, you give the
related user all the rights and permissions granted to the group.
The groups to which a
user account belongs. Permissions and rights granted to a group are also
provided to its members. In most cases, the actions a user can perform in
Windows are determined by the group memberships of the user account to
which the user is logged on.
A unique name identifying
a local group or a global group to Windows. A group's name cannot be
identical to any other group name or user name in its own domain or
computer.
The Microsoft Management
Console (MMC) snap-in that is used to edit Group Policy objects.
A collection of Group
Policy settings. Group Policy objects are essentially the documents
created by the Group Policy snap-in, a Windows utility. Group Policy
objects are stored at the domain level, and they affect users and
computers contained in sites, domains, and organizational units. In
addition, each Windows computer has exactly one group of settings stored
locally, called the local Group Policy object.
A built-in account used
to log on to a computer running Windows when a user does not have an
account on the computer or domain, or in any of the domains trusted by the
computer's domain.
A disk-partitioning scheme that is used by the Extensible Firmware Interface (EFI) in Itanium-based computers. GPT offers more advantages than master boot record (MBR) partitioning because it allows up to 128 partitions per disk, provides support for volumes up to 18 exabytes in size, allows primary and backup partition tables for redundancy, and supports unique disk and partition IDs (GUIDs). |
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