Set 12 Flashcards
(20 cards)
Disk Quota
A system limit that restricts how much disk space a user or group can use on a drive or volume.
Disk Striping
A method (RAID 0) of dividing and writing data across multiple drives to improve performance—but without redundancy.
Disk Striping with Parity
A RAID method (usually RAID 5) that improves performance and adds fault tolerance by storing parity data.
Disk Thrashing
Occurs when a system uses excessive paging or swapping between RAM and disk, slowing performance significantly.
Disk Utility
A macOS tool used to manage disks, partitions, formatting, and repairs.
Display Adapter
Also known as a graphics card or GPU, it renders images and video output to a display screen.
Display Settings
A section in an operating system where you can configure screen resolution, orientation, scaling, and multiple displays.
DisplayPort
A digital video and audio interface used to connect a computer to a monitor, offering high resolutions and refresh rates.
Distended Capacitors
Bulging or leaking capacitors on a motherboard or circuit board, often a sign of hardware failure or aging components.
DLP
(Digital Light Processing). A display technology used in projectors that creates images using a chip with tiny mirrors and a spinning color wheel.
DMZ
(Demilitarized Zone). A buffer zone on a network that separates public-facing services (like web servers) from internal, private networks for security.
DNS
(Domain Name System). Translates domain names (like google.com) into IP addresses so browsers can load websites.
Docking Station
A device that allows a laptop to connect to multiple peripherals (like monitors, keyboards, and Ethernet) through a single connection.
Document the Findings, Actions, and Outcomes
An IT best practice for recording what was discovered, what was done to resolve an issue, and the final result, helping with future troubleshooting and audits.
Domain
A network structure in which all user accounts, computers, and other resources are managed centrally, typically by a domain controller.
Domain Controller
A server that manages access and authentication for users and devices in a domain network.
Domain-Based Network
A network model where resources and security policies are centrally managed using Active Directory or similar directory services.
DRAM
(Dynamic Random Access Memory). A type of volatile memory that stores each bit of data in a separate capacitor, requiring constant refreshing.
Drive Cloning
The process of copying the entire contents of a storage drive to another, often used for backups or system migration.
Drive Letter
A letter assigned to a storage device (like C:, D:) in Windows to identify and access drives.
