Option Audio GlobeSurfer 3G, Справочное руководство, Страница: 202 / 209

Broadband modem A device that enables a broadband connection to access
the Internet. The two most common types of broadband modems are
cable modems, which rely on cable television infrastructure, and DSL
modems, which rely on telephone lines operating at DSL speeds.
Bus A set of hardware lines used for data transfer among the components of
a computer system. A bus essentially allows different parts of the sys-
tem to share data. For example, a bus connects the disk-drive controller,
memory, and input/output ports to the microprocessor.
Cable modem A device that enables a broadband connection to access the
Internet. Cable modems rely on cable television infrastructure, in other
words, the data travels on the same lines as you cable television.
CAT 5 cable Abbreviation for
Category 5 cable
. A type of Ethernet cable that
has a maximum data rate of 100 Mbps.
Channel A path or link through which information passes between two de-
vices.
Client Any computer or program that connects to, or requests the services of,
another computer or program on a network. For a local area network or
the Internet, a client is a computer that uses shared network resources
provided by a server.
Client/server network A network of two or more computers that rely on a
central server to mediate the connections or provide additional system
resources. This dependence on a server differentiating a client/server
network from a peer-to-peer network.
Computer name A name that uniquely identifies a computer on the network
so that all its shared resources can be accessed by other computers on the
network. One computer name cannot be the same as any other computer
or domain name on the network.
Crossover cable
A type of cable that facilitates network communications. A
crossover cable is a cable that is used to interconnect two computers by
”crossing over” (reversing) their respective pin contacts.
DHCP Acronym for Dynamic Host Configuration Protocol . A TCP/IP protocol
that automatically assigns temporary IP addresses to computers on a lo-
cal area network (LAN). GlobeSurfer 3G supports the use of DHCP. You
can use DHCP to share one Internet connection with multiple computers
on a network.
Dial-up connection An Internet connection of limited duration that uses a
public telephone network rather than a dedicated circuit or some other
type of private network.
DMZ Acronym for demilitarized zone . A collection of devices and subnets
placed between a private network and the Internet to help protect the
private network from unauthorized Internet users.
DNS Acronym for Domain Name System . A data query service chiefly used
on the Internet for translating host names into Internet addresses. The
DNS database maps DNS domain names to IP addresses, so that users
can locate computers and services through user-friendly names.
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