Operating Systems
In macOS, this built-in backup utility allows users to revert the entire system or specific files to a previous point in time using an external drive.
What is Time Machine?
This social engineering attack involves sending fraudulent emails that appear to come from a legitimate source, specifically targeting high-profile executives.
What is whaling?
This utility is the first place a technician should look to view error logs, system warnings, and application crashes generated by Windows.
What is Event Viewer?
This safety document provides detailed information regarding the potential hazards, handling instructions, and disposal methods for chemical or hazardous materials in the workplace.
What is an MSDS (Material Safety Data Sheet)?
In Windows, this command displays the full path of the current directory and allows you to move to a different directory.
What is cd?
This Linux command changes file or directory permissions for owners, groups, and others.
What is chmod?
This authentication factor type includes biometrics, such as a fingerprint scan, retina scan, or facial recognition.
What is "something you are"?
When a mobile app freezes completely on Android, a technician can stop the app immediately by navigating to settings and selecting this option.
What is Force Stop?
This type of corporate document outlines what a user is legally allowed and not allowed to do while utilizing company-owned hardware and network infrastructure.
What is an AUP (Acceptable Use Policy)?
This command-line tool is used to query DNS servers to find the IP address associated with a specific domain name.
What is nslookup?
This Windows command-line utility is used to check the integrity of all protected system files and replace incorrect versions with correct Microsoft versions.
What is sfc /scannow?
This security protocol introduces Simultaneous Authentication of Equals (SAE) to protect against brute-force password guessing and is considered the current gold standard for Wi-Fi security.
What is WPA3?
This Windows tool should be used to safely terminate a non-responsive background application process if the standard "Close" button doesn't work.
What is Task Manager (or taskkill)?
In professional communication and ticket handling, this term describes the structured process of passing a ticket to a higher-level technician when a Tier 1 agent cannot resolve the issue.
What is escalation?
This Windows command-line utility displays all active TCP connections and listening ports on the local machine.
What is netstat?
This specific Windows installation type allows an administrator to deploy an OS image across multiple network computers simultaneously using a specialized server, rather than inserting media into each machine.
What is a PXE (Preboot Execution Environment) Installation?
This physical destruction method uses a powerful magnetic field to completely sanitize a hard disk drive, rendering it completely unusable.
What is degaussing?
This is the most likely cause when a user can successfully ping an external IP address but receives a "Server not found" error when trying to load a URL.
What is a DNS failure/misconfiguration?
To prevent damage to internal computer components from static electricity, a technician should wear this device when opening a PC case.
What is an ESD (Electrostatic Discharge) strap?
This Linux command allows a user to search for specific text patterns within a file using regular expressions.
What is grep?
In modern UEFI-based installations of Windows, this specialized, hidden application located in the EFI System Partition is responsible for reading the Boot Configuration Data (BCD) and initializing the Windows kernel.
What is bootmgfw.efi (or Windows Boot Manager)?
This network authentication protocol secures client-server communication over non-secure networks by using "tickets" and cryptography, ensuring that the password is never sent over the wire.
What is Kerberos?
If a Windows machine boots into a continuous boot loop or show a "Bootmgr is missing" error, this recovery environment command can rebuild the Boot Configuration Data.
What is bootrec /rebuildbcd?
During an incident response investigation involving a compromised server, a forensic technician must follow the strict "order of volatility" when collecting digital evidence. According to this principle, data in this specific location must be captured FIRST?
What is CPU cache/registers?
A technician suspects an off-site router is dropping packets intermittently. Instead of just tracing the path or running a standard ping, they use this specific Windows command-line tool to combine ping and tracert functionality, sending packets to each gateway over a period of time to calculate precise loss percentages.
What is pathping?