WITH VERIFIED ANSWERS 2026 EDITION.
Samba
Linux software package that implements Server Message Block (SMB) file/print sharing, primarily to
support integration with Windows hosts.
cron
A scheduled task that is managed by the Linux cron daemon.
dock
macOS feature for managing applications from the desktop; similar to the Windows taskbar.
Spotlight Search
macOS file system search tool.
Mission Control
App facilitating multiple desktops in macOS.
System Preferences
macOS control panel hosting multiple prefpane configuration utilities.
Magic Mouse
Touch-enabled mouse and trackpad hardware for Apple computers
Accessibility prefpane
macOS utility related to desktop and input/output device accessibility configuration.
Apple ID
Cloud-based service allowing users to synchronize settings and manage apps, file sharing, and backups
between multiple Apple devices.
keychain
macOS app for managing passwords cached by the OS and supported browser/web applications.
FileVault
macOS disk encryption product.
Finder
File management app in macOS.
iCloud
,Mobile/cloud computing office-productivity and data-storage suite operated by Apple and closely
integrated with macOS and iOS.
DMG
macOS installer format that can be copied directly to the Applications folder.
PKG
macOS installer format that supports complex setup tasks.
.APP
Default extension for a macOS app subdirectory when installed to the Applications folder.
Disk Utility
macOS tool for disk and file system support tasks.
Remote Disc
macOS tool for sharing an optical drive over the network.
Time Machine
App facilitating backup operations in macOS.
spinning wait cursor
macOS indicator that a process is busy and is not able to accept input.
Force Quit
macOS tool for halting a process; equivalent to the process management functionality in Task Manager.
confidentiality, integrity, and availability (CIA triad)
Three principles of security control and management. Also known as the information security triad. Also
referred to in reverse order as the AIC triad.
cybersecurity
Protection of computer systems and digital information resources from unauthorized access, attack,
theft, or data damage.
threat actor
Person or entity responsible for an event that has been identified as a security incident or as a risk.
Risk
Likelihood and impact (or consequence) of a threat actor exercising a vulnerability
vulnerability
Weakness that could be triggered accidentally or exploited intentionally to cause a security breach.
, non-compliant system
System whose configuration is different from its secure baseline.
unprotected system
System where one or more required security controls (antivirus or firewall, for example) is missing or
misconfigured.
exploit
Specific method by which malware code infects a target host, often via some vulnerability in a software
process.
zero-day
Vulnerability in software that is unpatched by the developer or an attack that exploits such a
vulnerability.
Bring your own device (BYOD)
Security framework and tools to facilitate use of personally-owned devices to access corporate networks
and data.
Social engineering
Activity where the goal is to use deception and trickery to convince unsuspecting users to provide
sensitive data or to violate security guidelines.
Impersonation
Social engineering attack where an attacker pretends to be someone they are not
pretexting
Social engineering tactic where a team will communicate, whether directly or indirectly, a lie or half-
truth in order to get someone to believe a falsehood
Dumpster diving
The social engineering technique of discovering things about an organization (or person) based on what
it throws away.
shoulder surfing
Social engineering tactic to obtain someone's password or PIN by observing him or her as he or she
types it in.
Tailgating
Social engineering technique to gain access to a building by following someone who is unaware of their
presence.
Piggybacking