Professor Messer

Is the network slow? In this video, you’ll learn about some of the most important metrics to monitor to ensure the uptime and availability of the network and applications. << Previous Video: Cellular Standards Next Video: SNMP >> On your network, you’ve probably installed routers and switches and firewalls and other infrastructure devices. But how […]

We rely on our mobile phones to provide constant connectivity. In this video, you’ll learn about the history of of mobile technologies. << Previous Video: Wireless Encryption Next Video: Performance Metrics >> If you use a mobile phone to communicate, we often refer to these as cell phones. That’s because we’ve broken our geography into

There are many different aspects to encryption over a wireless network. In this video, you’ll learn about WPA2, WPA3, pre-shared keys, SAE, and more. << Previous Video: Wireless Technologies Next Video: Cellular Standards >> If you’re using a wireless network in your company, then you’re probably sending sensitive information over that network all the time.

We use many different technologies on our wireless networks. In this video, you’ll learn about frequencies, channel bandwidths, service sets, MIMO, and more. << Previous Video: Wireless Standards Next Video: Wireless Encryption >> When working with 802.11 wireless networks, you’ll see a lot of different technologies being thrown around. So let’s step through what some

The 802.11 wireless standards have changed the way we network. In this video, you’ll learn about six popular 802.11 standards, speeds, frequencies, and more. << Previous Video: Straight-Through and Crossover Cables Next Video: Wireless Technologies >> When we talk about using a wireless network today, we’re often talking about one that is the IEEE LAN/MAN