Professor Messer

Wireless Standards – N10-008 CompTIA Network+ : 2.4

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 >>

Professor Messer’s CompTIA 220-1002 A+ Study Group – October 2021

Professor Messer’s CompTIA A+ Core 2 Course Notes: Click here to learn about my Core 2 A+ downloadable PDF Course Notes. Professor Messer’s 220-1002 Core 2 A+ Practice Exams: Are you ready for your 220-1002 exam? Click here to learn about my 220-1002 Core 2 A+ Practice Exams. How well do you know your A+ …

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Professor Messer’s 220-1001 CompTIA A+ Study Group – October 2021

Professor Messer’s CompTIA A+ Core 1 Course Notes: Click here to learn about my Core 1 and Core 2 A+ downloadable PDF Course Notes. Professor Messer’s 220-1001 Core 1 A+ Practice Exams: Are you ready for your 220-1001 exam? Click here to learn about my 220-1001 Core 1 A+ Practice Exams. How well do you …

Professor Messer’s 220-1001 CompTIA A+ Study Group – October 2021 Read More »

Interface Configurations – N10-008 CompTIA Network+ : 2.3

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 >>

Spanning Tree Protocol – N10-008 CompTIA Network+ : 2.3

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 >>