Set 11 Flashcards
(20 cards)
DHCP
(Dynamic Host Configuration Protocol). A network protocol that automatically assigns IP addresses and other network settings to devices.
Diagnostics Menu
A special menu, often in BIOS or firmware, used to run hardware tests and troubleshoot issues.
Dictionary Attack
A cyberattack method where common words or passwords from a list (dictionary) are tried to crack passwords.
dig
A command-line tool used to query DNS servers to get domain name or IP address information.
Digital Certificate
An electronic document issued by a Certificate Authority that verifies the identity of a website or user.
DRM
(Digital Rights Management). Technology used to control access to copyrighted digital content to prevent unauthorized copying or sharing.
Digitizer
A device that converts analog input (like handwriting or drawings) into digital data, commonly used in tablets.
DIMM
(Dual Inline Memory Module). A type of RAM module with separate electrical contacts on each side used in desktops and servers.
Dipole Antenna
A simple antenna consisting of two conductive elements used in wireless communication devices.
dir
A command in Windows that lists files and directories in the current folder.
Direct Burial
A cable installation method where cables are laid directly underground without conduit, designed to resist moisture and damage.
Direct LED Backlighting
A display technology where LEDs are placed directly behind the LCD panel for better brightness and contrast.
Directory
A folder in a file system used to organize and store files and subfolders.
DAC
(Digital-to-Analog Converter). A device or component that converts digital signals into analog signals, often used in audio and display systems.
cleanmgr.exe
The executable for Disk Cleanup, a Windows tool used to free up space by removing temporary files, system cache, and more.
dfrgui.exe
The executable for the Disk Defragmenter GUI in Windows; used to optimize and defragment hard drives.
Disk Duplexing
A fault-tolerance method similar to mirroring, but each drive has its own controller, offering improved redundancy.
Disk Initialization
The process of preparing a hard drive for use by formatting and creating a partition table (MBR or GPT).
diskmgmt.msc
The command that opens Disk Management, a Windows utility for managing drives, partitions, and volumes.
Disk Mirroring
A method of data redundancy (RAID 1) where data is written identically to two drives to protect against failure.
