Question: what are the materials tools equipment and testing devices?
Answer: LAN CARD. It is a network interface card. ... 
SERVER. It is a part of a network. ... 
HUB / PORT. It is a connector on the back of a computer or other device. ... 
MODEM. The modem is a device that allows a given computer to share data or otherwise a device which let computers exchange information.
SCANNER. ... 
FLAT SCREW DRIVER. ... 
USB. ... 
PRINTER.