APC Snap Server 2200 Specifications download pdf (Page 135)

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I/O (input/output) The operation of transferring data to or from a device,

typically through an interface protocol like CIFS, NFS, or

HTTP. The Snap Server presents a file system to the user

and handles block I/O internally to a RAID array.

Inheritance In Windows permissions, inheritance is the concept that

when permissions for a folder are defined, any subfolders

within the defined folder inherit its permissions. This means

administrator need not assign permissions for subfolders as

long as identical permissions are desired. Inheritance

greatly reduces administrative overhead and also results in

greater consistency in access permission management.

iSCSI Internet SCSI (iSCSI) is a standard that defines the

encapsulation of SCSI packets in TCP and then routing it

using IP. It allows block-level storage data to be transported

over widely used IP networks.

IP (Internet Protocol) address The unique 32-bit value that identifies the location of the

server. This address consists of a network address, optional

subnetwork address, and host address. It displays as four

addresses ranging from 1 to 255 separated by periods.

Jukebox A robotic tape backup device that stores numerous tape

drives and uses a mechanical arm to bring the drive to a

station for reading and writing.

JVM (Java Virtual Machine) Software that converts Java bytecode into machine

language and executes it. A JVM allows an application such

as Snap Server Manager written in Java to run on any

operating system.

Kerberos A secure method for authenticating a request for a service

used by ADS. Kerberos lets a user request an encrypted

“ticket” from an authentication process that can then be

used to request a service from a server. The user

credentials are always encrypted before they are

transmitted over the network.

In Windows 2000/XP, the domain controller is the Kerberos

server. The Kerberos key distribution center (KDC) and the

origin of group policies are applied to the domain.

LCD (liquid crystal display) An electronic device that uses liquid crystal to display

messages on some Snap Servers.

LED (light-emitting diode) An electronic device that lights up when electricity is passed

through it.

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APC Snap Server 2200 Specifications Page 135