gloss_I

I

IF.

A Windows XP Shell script statement that tests two conditions to determine if a match occurs.

Incremental backup.

A type of backup that makes a backup of all files and folders that have been modified since the last backup ran while clearing all file and folder archive attributes.

Indexing service.

A Windows XP service that scans documents and builds a searchable index in order to facilitate faster searches.

Input/Output Addresses (I/O).

A hexadecimal number assigned to hardware devices that provides a unique reference which the CPU uses to communicate with the devices.

Integrated services digital network (ISDN).

A medium-speed wide area network connection established over dedicated communications lines provided by the telephone company.

Internal commands.

Commands that are integrated into the Windows command Shell.

Internet Connection Firewall (ICF).

A software-based personal firewall integrated into Windows XP Professional. ICF is designed for home users and businesses with computers that are individually connected to the Internet or to a small peer-to-peer network with shared Internet access.

Internet Connection Sharing (ICS).

A Windows service that allows a computer on a small network to share its Internet connection with other computers on the network.

Internet Control Message Protocol (ICMP).

A TCP/IP protocol that provides error reporting and protocol control.

Internet Location Service (ILS).

A service used by Microsoft Messenger to facilitate communication between two Microsoft Messenger users.

Internet Protocol (IP).

A protocol that provides connectionless data communications. IP does not provide guaranteed delivery of data.

Internet service provider (ISP).

A company that provides access to the Internet by providing subscribers with a user account and an IP address.

InterNIC.

An international body that manages the global allocation of IP addresses by selling blocks of IP addresses to large ISPs and telecommunications companies.

Interrupt requests (IRQs).

A path assigned to a device that allows it to notify the CPU when it requires attention.

IP address.

A unique 32-bit number that uniquely identifies a computer on a network such as the Internet.

IPC$.

A hidden share that Windows XP creates to support remote administration over network connections.

Ipconfig.

A Windows XP command that displays and modifies TCP/IP settings.

IPSec.

A high-security protocol that encrypts data transmitted over VPN network connections.

IPX/SPX.

A proprietary protocol developed by NetWare to support NetWare networks.