Wireless Networking and the Internet Course
1 hour, 2 minutes
Syllabus
Cloud computing
Video - 00:08:00
In this video, Mike looks at the benefits of cloud computing (or moving virtual machines out onto the Internet). The cloud VMs enable benefits such as rapid elasticity and on-demand scaling, so you can quickly support any Internet application that needs it. Mike also describes the functions behind the buzzwords Infrastructure-as-a-Service, Platform-as-a-Service, and Software-as-a-Service.
Understanding virtualization
Video - 00:10:00
Mike explores the concepts behind virtual machines. He discusses virtualization vs. emulation, how modern VMs work, and the differences between Type 1 and Type 2 hypervisors (the different hosts for virtual machines).
Internet of Things (IoT)
Video - 00:04:00
Mike explores some of the latest and greatest networking technologies with the Internet of Things (IoT). He describes the three common wireless technologies used to connect to IoT devices, 802.11, Zigbee, and Z-wave. Mike finishes with a discussion and demonstration of typical IoT set ups and configurations.
Virtual private networks (VPNs)
Video - 00:08:00
In this video, Mike shows how Virtual Private Networks (VPNs) work and why people use VPN connections. He discusses the types of protocols and clients that make this work today and walks through a generic VPN setup.
Beyond the LAN
Video - 00:03:00
In this video, Mike explores the crazy acronym soup around networking, explaining the differences among terms like LAN, WAN, MAN, PAN, and HAM. (Just kidding on the last term!) This helps minimize confusion in later networking episodes.
Wireless encryption
Video - 00:10:00
Everything on an unencrypted (open) wireless network is easily intercepted by anyone with the right capture tools. Over the years, 802.11 has developed three different encryption standards, each with its own idiosyncrasies, strengths, and weaknesses.
Wi-fi standards
Video - 00:09:00
Since the original 802.11 standard back in 1999, there have been five major and hundreds of minor revisions. It’s impossible to support an 802.11 network without a working understanding of these standards.
Wireless network hardware
Video - 00:10:00
The 802.11 standard has had a number of improvements over the years, but every version shares common devices and functions that haven't changed in over 20 years. This video explores wireless access points (WAPs), home routers, and the antennas that make them work.
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