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Hewlett-Packard Ethernet USB Network Adapter hn210e User Manual

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Ethernet USB network adapter

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client/server network

Network in which one computer (the “server”) shares resources with other

computers, called “clients” (as opposed to a peer-to-peer network).

CSMA/CD (Carrier Sense Multiple Access/Collision Detect)

The protocol for carrier transmission access in an Ethernet network in which

each device senses whether the line is idle and then sends data. If another

device sends data at the same time, a collision occurs, the data is discarded,

and the devices try again.

default gateway

The router used to forward all traffic not addressed to a station within the local

subnet.

DHCP (Dynamic Host Configuration Protocol)

A utility for assigning TCP/IP addresses to workstations automatically (a unique

IP address must be assigned to each computer in the network). When computers

are moved within the network, DHCP allows automated IP addresses to be

assigned automatically. DHCP “leases” an IP address to a device for a specific

amount of time, which is useful in education and other environments where

users change frequently. DHCP also supports static IP addresses for computers

needing a permanent IP address, such as those containing Web servers. See

static IP address.

DCHP Client

A device configured to receive a DHCP address.

DHCP Server

A device configured to assign IP addresses to DHCP clients.

DMZ (Demilitarized Zone)

Computer host or small network inserted as a “neutral zone” between a

company’s private network and the external public network. It prevents outside

users from having access to an internal server containing confidential data.

DMZ Hosting

Allows one IP address (or computer) to be exposed to the Internet. Some

applications require multiple TCP/IP ports to be open. It is recommended that

you set your computer with a static IP address if you want to use DMZ Hosting.