Professor Messer
James "Professor" Messer is the President and Chief Explainer of ProfessorMesser.com.
Professor Messer's Latest Posts
Network Tools – CompTIA A+ 220-1001 – 2.8
A good network administrator will have a toolkit with important network troubleshooting tools. In this video, you’ll learn about crimpers, cable testers, tone generators, and more. << Previous Video: Network Types Next: Copper Network Cables >>
Network Types – CompTIA A+ 220-1001 – 2.7
We use many different network types to connect devices in the same room and across the world. In this video, you’ll learn about LANs, WANs, PANs, MANs, and WMNs. << Previous Video: Internet Connection Types Next: Network Tools >>
Internet Connection Types – CompTIA A+ 220-1001 – 2.7
There are many different ways to connect to the Internet. In this video, you’ll learn about cable modems, fiber connections, satellite networking, and much more. << Previous Video: Using IP Addresses Next: Network Types >>
Using IP Addresses – CompTIA A+ 220-1001 – 2.6
IP address connectivity can take a number of different forms. In this video, you’ll learn about SSL VPNs, VLANs, network address translation, and more. << Previous Video: Assigning IP Addresses Next: Internet Connection Types >>
Assigning IP Addresses – CompTIA A+ 220-1001 – 2.6
Most of our IP address configurations occur automatically. In this video, you’ll learn about the Dynamic Host Configuration Protocol (DHCP), assigning static IP addresses, creating DHCP reservations, Automatic Private IP Addressing (APIPA), and IPv6 link-local addresses. << Previous Video: An Overview of IPv4 and IPv6 Next: Using IP Addresses >>
An Overview of IPv4 and IPv6 – CompTIA A+ 220-1001 – 2.6
IPv4 and IPv6 are the most popular protocols on modern networks. In this video, you’ll learn about the structure of IPv4 and IPv6 and how these addresses are configured on a workstation. << Previous Video: Network Services Next: Assigning IP Addresses >>
Network Services – CompTIA A+ 220-1001 – 2.5
Our networks support a wide range of services for our user community. In this video, you’ll learn about some of the most common services found on today’s networks. << Previous Video: Cellular Network Technologies Next: An Overview of IPv4 and IPv6 >>
Professor Messer’s Security+ Study Group – December 2018
Professor Messer's Security+ Course Notes: Click here to see how you can own all of my Security+ notes with my downloadable PDF Course Notes. CompTIA Exam Objectives - http://www.professormesser.com/objectives/ Audio Replay
Wireless Network Technologies – CompTIA A+ 220-1001 – 2.4
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>>
Cellular Network Technologies – CompTIA A+ 220-1001 – 2.4
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>>
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