Category: PowerCert

Mesh Wifi that I recommend (affiliate) https://amzn.to/2Jyd9kI What is mesh wifi? What is Google wifi? Which is the best wifi mesh? This is an animated video explaining how mesh wifi works and what it...

What is CSMA/CD & CSMA/CA? Have you ever wondered how computers send data on a network without interfering with the data from other computers? This is an animated video explaining what carrier sense multiple...

CPU Cooler recommendation (affiliate) https://amzn.to/2EwAnlY What is better? CPU air cooling or water cooling? This is an animated video explaining the two different coolers. It also explains the purpose of a heat sink and...

This is an animated video explaining what a network firewall is. A firewall is a system that is designed to prevent unauthorized access from entering a private network by filtering the information that comes...

What is a tri band router? A tri band router broadcasts 3 separate bands. It will broadcast a 2.4 GHz band, and it will broadcast 2 separate 5 GHz bands. It’s like having 3...

Network types depend on how large they are and how much of an area they cover geographically. This video explains the difference between a LAN vs WAN, along with other networks. LAN – Local...

What’s the difference between half-duplex and full-duplex? Half duplex communicates in one direction at a time. Full duplex communicates in both directions at the same time.

HTTPS vs HTTP vs SSL / TLS. This video explains the difference between these protocols. It also explains how SSL works and what is an SSL certificate. #SSL #HTTPS SSL certificates, domain names, or...

This is an animated video explaining wireless password security options. It explains WEP, WPA, WPA2, WPA3, WPS, and Access Control. It also explains AES and TKIP. I am a participant in the Amazon Services...

What is a network topology? A topology is the layout of how a network communicates with different devices. In this video we discuss the star, bus, ring, mesh, ad hoc, infrastructure and wireless mesh...