Hardware
What does CPU stand for?
Central Processing Unit
What is the most common operating system for personal computers?
Windows
What does BSOD stand for?
Blue Screen of Death
What does IP stand for?
Internet Protocol
What does MFA stand for?
Multi-Factor Authentication
What component stores the computer's BIOS?
ROM (Read-Only Memory)
What command is used to list files in a Linux terminal?
ls
What tool is commonly used to test RAM for errors?
MemTest86
What is the function of a router?
Directs network traffic between devices
What type of attack involves tricking users into revealing sensitive information?
Phishing
What type of memory is volatile?
RAM (Random Access Memory)
What is the purpose of the Windows Registry?
Stores system settings and configurations
What is the first step in the CompTIA troubleshooting methodology?
Identify the problem
What is the default subnet mask for a Class C network?
255.255.255.0
What does a firewall do?
Blocks unauthorized network access
What is the most common type of storage in modern laptops?
SSD (Solid-State Drive)
What macOS tool is used to manage applications and processes?
Activity Monitor
What tool can be used to check disk health and integrity?
CHKDSK (Check Disk)
What command is used to check connectivity between two devices?
ping
What is the purpose of an antivirus program?
Detects and removes malware
What is the function of a power supply unit (PSU)?
Converts AC power to DC power
What is the primary function of a hypervisor?
To manage virtual machines
What is the purpose of Safe Mode?
To troubleshoot and fix system issues with minimal drivers
What is DHCP used for?
Automatically assigns IP addresses to devices
What is the principle of least privilege?
Giving users only the access they need