Symantec 10099585 - 10PK NORTON ANTISPAM 2004, Руководство пользователя

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Glossary 78
boot record A sector at the start of a disk that describes the disk
(sector size, cluster size, and so on). On startup disks,
the boot record also has a program that loads the
operating system.
bootable disk A disk that can be used to start a computer.
cache A location on your disk in which data is stored for
reuse. A Web browser cache stores Web pages and
files (such as graphics) as you view them.
cache file A file that is used to improve the performance of
Windows.
compressed file A file whose content has been made smaller so that
the resulting data occupies less physical space on the
disk.
connection-based
protocol A protocol that requires a connection before
information packets are transmitted.
connectionless
protocol A protocol that sends a transmission to a destination
address on a network without establishing a
connection.
cookie A file that some Web servers put on your disk when
you view pages from those servers. Cookies store
preferences, create online shopping carts, and
identify repeat visitors.
denial-of-service
attack A user or program that takes up all of the system
resources by launching a multitude of requests,
leaving no resources, and thereby denying service to
other users.
DHCP (Dynamic Host
Configuration
Protocol) A TCP/IP protocol that assigns a temporary IP
address to each device on a network. DSL and cable
routers use DHCP to allow multiple computers to
share a single Internet connection.
dial-up A connection in which a computer calls a server and
operates as a local workstation on the network.