Glossary3-8Appendix3HP-GL/2A graphics language that allows computer applications to draw graphic images usingprinters. Images in HP-GL/2 are represented as vector graphics. Vector objects describean image in terms of geometric shapes, such as lines and polygons, and fills. HP-GL/2 issupported by your Canon machine.HTTPHyperText Transfer Protocol. The client-server TCP/IP protocol used on the World WideWeb for the transfer of HTML (HyperText Markup Language) documents across theInternet.Internet Protocol (IP)The underlying set of networking rules that describes how data is transmitted across theInternet. Internet Protocol allows data from one computer to be split into packets to besent to another computer with a specific IP address.IP addressInternet Protocol address. A 32-bit numeric address used by IP (internet protocol) tospecify a computer on the Internet. The IP address is usually written as four numbersseparated by periods. An example is 128.121.4.5.LANLocal Area Network. It is a network system formed by linking a server, workstations, andcomputers, which are all located in the same building or some other relatively limited area.Log inEntering a user name and password as a means of user authentication to start acomputer session or access to a service.LPDLine Printer Daemon. A daemon is a program that runs, without human intervention, toaccomplish a given task. The Line Printer Daemon controls the flow of print jobs to aprinter.MAC addressMedia Access Control address. The hardware address of the network adapter of acomputer connected to a local area network.ProtocolA set of rules that govern the transmission of data across a network. Examples ofprotocols are FTP, DHCP, BOOTP, RARP, IPP, and TCP/IP.Proxy serverA server that provides a cache of files available on remote servers that are slow orexpensive to access. The term “proxy server” normally refers to a World Wide Web serverthat, on receiving a URL, tries to supply the requested file from its cache. If it cannotlocate the file there, the proxy server would bring it from the remote server and also savea copy in its cache so that the next request can be obtained locally.