Hardware & Components
Ports & Protocols
Networking & Infrastructure
Mobile Devices & Printers
Command Line & Troubleshooting Tools
100

This type of RAM is volatile, must be constantly refreshed with electricity, and is used for primary system memory.

  • Answer: What is DRAM (or DDR SDRAM)?

100

This encrypted terminal protocol replaces Telnet and operates securely over TCP port 22.

 What is SSH (Secure Shell)?

100

This device connects multiple devices on a local network and forwards data packets specifically to the destination MAC address.

 What is a network switch

100

this specialized component inside an older laptop screen converts low-voltage DC power into high-voltage AC power for CCFL backlights.

What is an inverter

100

This command-line utility is used to test local and remote network connectivity by sending ICMP echo requests

what is ping 

200
  •  This component prevents a CPU from overheating by drawing heat away using a metal block and often a fan.

  • What is a heatsink?

200

This TCP port is used to establish an unencrypted, insecure text-based remote terminal connection.

 What is Port 23 (Telnet)?

200

This wireless standard is formally designated as 802.11ax and operates on both 2.4 GHz and 5 GHz frequencies.

 What is Wi-Fi 6

200

this multi-step laser printing process stage uses a primary corona wire or roller to place a uniform negative charge on the photosensitive drum.

What is charging

200

This basic command line utility is used in both Windows and Linux to change the current working directory.

what is cd

300

The type of CPU socket architecture that uses pins built into the socket on the motherboard rather than on the processor.

  •  What is LGA (Land Grid Array)?

300

This protocol automatically assigns IP addresses, subnet masks, and default gateways to client devices when they boot up

What is DHCP

300

this network device routes data packets based on IP addresses, bridging the gap between a local area network and the internet.

 What is a router

300

 This physical laptop lock mechanism uses a reinforced metal slot to anchor the device to a desk with a security cable.

 What is a Kensington lock

300

This command-line tool traces and displays the exact router-by-router path a packet takes to reach a destination server across a network.

 What is tracert (or traceroute)

400

This internal motherboard interface and thin cable type is used to connect modern mechanical hard drives and optical drives.

What is SATA?

400

This protocol uses ports 137-139 and 445 to allow file and printer sharing on Windows networks.

 What is SMB (Server Message Block)

400

This type of network cable uses glass or plastic threads to transmit data as pulses of light over very long distances

What is fiber-optic cable

400

 This mobile feature combines cellular, Wi-Fi, and GPS data to continuously track and identify the physical coordinates of a device.

 What is geolocating (or GPS)

400

This Linux command is used to display the full text contents of a file right inside the terminal screen or join files together.

what is cat 

500

A silver, coin-shaped battery on the motherboard that powers the chip holding the system's firmware settings.A silver, coin-shaped battery on the motherboard that powers the chip holding the system's firmware settings.

What is the CMOS battery?

500

This protocol uses port 80 to transmit web traffic across the internet without any encryption

What is HTTP

500

The standard network topology where all individual computers connect directly to a single central hub or switch

What is a star topology

500

this type of touch screen technology reacts to the electrical properties of the human body and supports multi-touch inputs.

What is a capacitive touchscreen

500

 This cross-platform utility is used to discover active hosts, find open ports, and map out devices across a network via command-line probing.

What is Nmap