Professor Messer Archives

Wireless networking consists of many different network technologies in various combinations. In this video, you’ll learn about wireless frequencies, Bluetooth, RFID, and other wireless technologies. << Previous Video: 802.11 Wireless Standards Next: Cellular Network Technologies>> When we talk about 802.11 technologies, we often talk about frequency use. And there are two major bands that we […]

We rely on our cellular networks to keep us connected when mobile. In this video, you’ll learn about early cellular technology and the latest mobile networks. << Previous Video: Wireless Network Technologies Next: Network Services>> You often hear our mobile devices described as cell phones. That’s because we broke up the geography into these separate

The evolution of wireless technologies includes different frequencies, speeds, and features. In this video, you’ll learn the specifics of 802.11a, 802.11b, 802.11g, 802.11n, and 802.11ac. << Previous Video: Configuring a SOHO Firewall Next: Wireless Network Technologies>> There are a number of different standards associated with 802.11 networking. These standards are maintained by the IEEE LAN/MAN

The installation of a small office/home office network goes well beyond plug-and-play. In this video, you’ll learn some of the detailed configuration settings required when configuring a SOHO network. << Previous Video: Network Devices Next: Configuring a SOHO Firewall>> If you work in a large corporation, you probably have a data center, and that data

A misconfigured SOHO firewall could be a significant security concern. In this video, you’ll learn about network address translation, DMZ ports, port forwarding, universal plug and play, and much more. << Previous Video: Installing a SOHO Network Next: 802.11 Wireless Standards>> There are many options available when configuring a small office or home office router.

It takes many different devices to keep a network running. In this video, you’ll learn about switches, routers, wireless access points, and many other devices that we use on our enterprise networks. << Previous Video: Common Network Ports Next: Installing a SOHO Network>> As an IT professional, you’ll be working with many different networking technologies.