Agilent Technologies N2620A user manual Diagnostic Responder IPX echo tool ping

Glossary 7

Glossary

DHCP Dynamic Host Configuration Protocol - a procedure which allows devices that are entering or re-entering the network to request that certain parameters are automatically assigned to them. DHCP assigns a unique IP address. A device may request a subnet mask, default router address, name server address, and other parameters and addresses.

DHCP server Any of several kinds of devices that provide DHCP services. These commonly include file servers and routers.

Diagnostic Responder IPX echo tool (ping).

DNS Domain Name Server or Domain Name Services. A capability used widely within both the Internet and corporate networks that resolves (or matches) names with IP addresses. For example, if a workstation needs to retrieve a web page from abc.com, a request containing the name abc.com is sent to a domain name server. That server, or another acting on its behalf, will respond with the IP address of the host at which the web page is stored.

DNS Domain A Internet naming hierarchy such as Agilent.com

Domain Controller In an NT environment, the domain controller has the responsibility for storing certain information about users, resources and devices on the network. There will be a primary domain controller and a backup domain controller. These are referred to as the PDC and BDC, respectively.

DSCP Differentiated Services Code Point- Field in IP Packet which is used in the network for packet classification and traffic conditioning functions.

E-MailElectronic Mail - A system of sending messages and files across the network from one user to another.

E-mail Server A device that stores incoming and outgoing E-mail messages. The protocol most often used for retrieving messages from the E-mail server to a user’s workstation is POP3 (Post Office Protocol #3). Conversely, the protocol most often used to send E-mail messages from the workstation to the E-mail server is SMTP (Simple Mail Transfer Protocol.) SMTP is also used in order that the source and destination E-mail servers may exchange E-mails.

Agilent FrameScope Pro User’s Manual 175