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 […]
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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
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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.
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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
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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
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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.
Straight-Through and Crossover Cables – N10-008 CompTIA Network+ : 2.3 Read More »
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
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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
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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
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