Adaptec 5325301656 - Snap Server 14000 NAS, Руководство администратора

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194 Snap Server Administrator Guide
authentication The validation of a user’s identity by requiring the user to
provide a registered login name and corresponding
password.
autonegotiation An Ethernet feature that automatically negotiates the fastest
Ethernet speed and duplex setting between a port and a hub
or switch. This is the default setting and is recommended.
autosensing An Ethernet feature that automatically senses the current
Ethernet speed setting.
bonding A technology that treats two ports as a single channel, with
the network using one IP address for the server. Snap
Servers support load balancing and failover bonding modes.
CA eTrust Antivirus The antivirus software bundled with the Snap Server.
chaining A native Snap Server technology in which all snapshots of a
volume depend on successive snapshots for part of their
content.
channel A communications path between two computers or devices.
CHAP (Challenge Handshake
Authentication Protocol) CHAP verifies the identity of the peer using a three-way
handshake.
checksum The result of adding a group of data items that are used for
checking the group. The data items can be either numerals
or other character strings treated as numerals during the
checksum calculation. The checksum value verifies that
communication between two devices is successful.
CIFS (Common Internet File System) The default Windows protocol for communication between
computers. A specification for an Internet file access
protocol that complements HTTP and FTP and reduces
access time.
daemon A process that runs in the background.
default gateway The router used when there is otherwise no known route to
a given subnet.
degraded A RAID state caused by the failure or removal of a disk drive
in which data is consistent, but there is no redundancy.
DHCP (Dynamic Host Configuration
Protocol) A communications protocol that lets network administrators
centrally manage and automate the assignment of IP
addresses on a computer network. Each system that
connects to the Internet/intranet needs a unique IP address.
The Snap Server can be configured to perform as a DHCP
server and assign IP addresses with a single subnet.
Term Definition