Domain :Domain is a groups of workstation and other devices on a network that are administrated as a single unit.
Domain controller: A computer configured by windows 2000/2003/2007 that is designated to store and manage directory services information.\
Domain Name service: an service which map IP address to Domain name.
Driver : a software by which operation system communicate with hardware.
DHCP : Dynamic Host configuration Protocol is a service which provide IP address to the network automatically.
Dynamic Routing : by this routing systems router builds a routing table automatically by specialized protocol.
EIA/TIA: Electrical Industry Association/ Telecommunication Industry Association
FDDI : Fiber Distributed Data interface
fiber Optic: a network cable use a technology that uses light to send signal rather than electrical charge use by copper cables.
FTP : File Transfer protocol, work application layer on OSI systems
Full Duplex: a form of network communication in which to connected systems can send signals at a time such telephone line.
Half Duplex: a form of network communication in which to connected systems can send signals in one direction at a time such as radio
Hops : In an internetwork each router is a hop.
hosts : An ASCII text file which is used by TCP/IP computer to resolve host name to IP address.
Hub : Hub is a network device which is used in star network topology to connect the computer with each other.
IPCONFIG : a command line utility to know the ip configuration of a computer.
incremental Backup : incremental Backup systems is a backup systems by which we can backs up which was modified or created after the last incremental or full backup. this systems sets archives bit.
IEEE : International Electrical and Electronic Engineers: A organization formed on 1984 which is dedicated to development and publication of standard for the computer and electronics industries