Network + Guide to Networks, Chapter 14

File attribute that can be checked or unchecked to indicate whether the file needs to be archived An operating system checks it bit when it is created or changed a file

Group of hard disks

How consistently and reliably a file, device, or connection can be accessed by authorized personnel

A copy of data or program files created for archiving or safekeeping

A plan for when and how often backups occur and which backups are full,incremental, or differential

A virus that resides on the boot sector of a floppy disk and is transferred to the partition sector or the DOS boot sector on a hard disk. this virus can move from a floppy to a hard disk only if the floppy disk is left in the drive when the machine starts

A program that runs automatically.they can spread viruses or other malicious code between user in a chat room by exploiting the IRC protcols

Momentary decrease in voltage, also known as a sag an overtaxed electrical system may cause them recognizable as a dimming of the lights

A fault tolerance technique that links multiple servers to act as a single server in this configuration, these servers share processing duties and appear as a single server to users. If one server in the group fails the other server in the group automatically take over its data transaction and storage responibilities.

A place where the computer, devices and connectivity necessary to rebuild a netword exist, but they are not appropriately configured, updated or connected to match the network current state

A back up method in which only data that has changed since the last full or incremental back up is copied to a storage medium, and in which the same information is marked for subsequent backup,regardless of whether it has changed it does not uncheck the archive bits for files it backs up

The process of restoring critical functionality and data to a network after an enterprise-wide outage that affects more than a single system or a limited group of users

A storage fault-tolerance technique in which data is continually copied from one disk to another when its saved, just as in disk mirroring but a separate disk controller is used for each different disk

A RAID technique in which data from one disk is automatically copied to another disk as the information is written

A simple implementation of RAID in which data is written in 64 KB block equally across all disks in the array