HTTP 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 build a website and save up to 30% ►►http://Trygodaddy.com/powercert
What is FTP, SFTP, & TFTP? These are protocols that are used to transfer files over a network. FTP (File Transfer Protocol) is the language that computers use
This tutorial starts with a review of Symmetric and Asymmetric (PKI) Encryption. It discusses self signed certificates and how an SSL certificate is used in a C
Learn computer network layers or OSI layers in a computer network, OSI Model, OSI reference model or open system interconnection model or networking model inclu
When a web client (Internet browser) connects to a secure website, the data is encrypted. But, how does all that happen? And, what type of encryption is used?
For most of us, a mobile phone is a part of our lives, but I am sure your curious minds have always been struck by such questions as to how a mobile phone makes
What is POP and IMAP? How does email work? This is an animated video explaining the difference between POP and IMAP. These are email protocols that are used to
This is an animated DNS tutorial showing what a DNS server is and how it works. It explains the different levels of DNS, such as the resolver, root server, dom
Here is the dual band wifi router that I recommend (affiliate) https://amzn.to/2Jv577C This is an animated video explaining the difference between a 2.4 GHz vs
This is an animated video explaining what HDMI, DisplayPort, DVI, VGA, & Thunderbolt are. A video port comparison. HDMI vs DisplayPort. VGA vs DVI. Video cab
John walks through the process of the TLS handshake between client and server (BIG-IP).
Modern day encryption is performed in two different ways. Check out http://YouTube.com/ITFreeTraining or http://itfreetraining.com for more of our always free t
A DMZ, or demilitarized zone, is used to help improve the security of an organization’s network by segregating devices, such as computers and servers, on the
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,
This is an animated video showing the difference between 32 bit and 64 bit computing.
Connecting via SSH to a remote machine is second nature to some, but how does it work? Dr Steve Bagley. Dr Mike Pound on Hashing (mentions padding but full vid
What is NAT? This is an animated video tutorial explaining how NAT works (network address translation). What's the difference between a public IP address and
The newest version of the TLS protocol was recently approved by the IETF -- version 1.3. There are several key changes in this protocol such as a requirement t
This is an animated video that explains the difference between a hub, switch, and a router. It explains how a router works, how a switch works and how a hub wo
PING and TRACERT (traceroute) networking command line tools (cmd). How to ping websites. How to use the tracert command.
RAID explained. This is an animated video explaining different RAID levels. It's a RAID tutorial of level 0, 1, 5, & 10. Redundant array of independent disks
This is an animated video explaining the difference between TCP and UDP protocols. What is TCP? What is UDP? Transmission control protocol vs user datagram p
This is an animated port forwarding tutorial. It explains how to port forward and it also explains what are network ports.
How do you secure messages over the internet? How do quantum computers break it? How do you fix it? Why don't you watch the video to find out? Why does this des
M.2 NVMe SSD that I recommend https://amzn.to/2VO7E1G (affiliate) M.2 vs SSD comparison. What is an M.2 SSD? What is NVMe? This is an animated video explaini
What is DHCP? This is an animated video explaining DHCP - Dynamic Host Configuration Protocol. Also explains the difference between a static IP vs dynamic IP.
This video explains how an Certificate (such as an SSL type) is validated by a client. Concepts discussed are digital signatures, Root CA and Intermediate CA.
What is the difference between a NAS (network attached storage) and a SAN (storage area network)? Here is an example of a NAS (affiliate) https://amzn.to/2VgnR
This is an animated video describing the difference between a modem and a router. It discusses how a modem works and how a router works. Here is the wifi route
Here is the RAM that I use in my PC: https://amzn.to/2KqHGwQ (affiliate) This is an animated video RAM tutorial. Topics include how RAM works, RAM speed, DRAM,
In this video, I will talk about how classic private TCP/IP network was set up for the first two decades of the Internet. Why it did not work? What is network a