Local Networking Hardware
This device connects computers within a LAN and uses MAC addresses to forward data.
🟦 What is a switch?
A loose connection in this component can cause a PC not to power on.
What is the power supply?
This address is automatically assigned by a DHCP server.
What is a dynamic IP address?
This Windows command displays IP configuration.
What is ipconfig?
This protocol assigns IP addresses to devices on a network.
What is DHCP?
This networking device provides wireless access to a wired network.
What is a wireless access point (WAP)?
If a PC turns off randomly, this hardware issue might be the cause.
What is overheating?
This term describes the part of an IP address that identifies the device.
What is the host portion?
This command is used to test if a device is reachable over the network.
What is ping?
This protocol translates URLs to IP addresses.
What is DNS?
This device connects two networks and determines the best path for data.
What is a router?
A black screen on boot with a blinking cursor might indicate failure of this storage device.
What is the hard drive (HDD or SSD)?
This term describes 169.254.x.x addresses.
What is APIPA (Automatic Private IP Addressing)?
This command traces the route packets take to reach a destination.
What is tracert (Windows) or traceroute (Linux)?
This service type allows devices to automatically discover printers and other networked devices.
What is mDNS (Multicast DNS) or Bonjour?
This component inside desktops or laptops allows them to connect to networks.
What is a network interface card (NIC)?
A computer powers on but beeps multiple times. This is likely a problem with this.
What is the RAM (or memory)?
This address (example: 255.255.255.0) defines the network and host portions.
What is the subnet mask?
This tool is used to crimp RJ-45 connectors to Ethernet cables.
What is a crimper?
This port is used by secure web traffic.
What is port 443 (HTTPS)?
This device separates collision domains but not broadcast domains.
What is a switch?
If USB ports aren’t functioning, check this power-saving setting in the OS.
What is USB selective suspend?
This address type allows one device to communicate with many at once.
What is a multicast address?
This diagnostic tool checks cable integrity and wiring faults.
What is a cable tester?
This is a protocol used to send emails to a server.
What is SMTP (Simple Mail Transfer Protocol)?