N10-008 Videos

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

The wiring of an Ethernet cable is critical. In this video, you’ll learn about straight-through and crossover cables, and we’ll discuss a common myth regarding 568A and 568B wire colors. << Previous Video: Interface Configurations Next Video: Wireless Standards >> When we’re connecting ethernet devices, we’re commonly using a cable that is a straight-through cable.

A switch configuration requires more than just setting the speed and duplex. In this video, you’ll learn about VLAN configurations, link aggregation, jumbo frames, and more. << Previous Video: Spanning Tree Protocol Next Video: Straight-Through and Crossover Cables >> When you’re configuring an interface on a switch, there are a number of different settings. And

We rely on Spanning Tree Protocol to keep our switched networks loop-free. In this video, you’ll learn about the process that Spanning Tree uses to maintain uptime and availability as our networks change. << Previous Video: VLANs and Trunking Next Video: Interface Configurations >> In an earlier video, we described how IP version 4 has

VLANs are an effective and efficient form of network segmentation. In this video, you’ll learn about VLANs, trunking, and configuring voice and data VLANs. << Previous Video: Network Switching Overview Next Video: Spanning Tree Protocol >> Many network administrators like to segment the network into different broadcast domains. This is sometimes done to allow additional

If you’re going to troubleshoot a network, then you need to understand the basic functionality of an Ethernet switch. In this video, you’ll learn the fundamentals of Ethernet switching, the address resolution protocol, power over Ethernet, and more. << Previous Video: Introduction to Ethernet Next Video: VLANs and Trunking >> The role of a switch

Ethernet is the most popular networking topology in the world. In this video, you’ll learn about the Ethernet frame, MAC addressing, half- and full-duplex communication, and more.  << Previous Video: Routing Technologies Next Video: Network Switching Overview >> Here’s a common network configuration for a SOHO, a Small Office/Home Office. You have an internet connection.