Keeping Things Clean

Preventive maintenance of your computers is an essential component of the CompTIA A+ certification. In this module, we’ll show you how to clean both the outside and the inside of your computer, including the monitor, fan intakes, motherboard components, and connector contacts.

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Preventing Electrostatic Discharge

Static electricity can cause serious damage electronic components. Fortunately, there are some products and techniques that can help prevent electrostatic discharge. In this CompTIA A+ training module, we’ll learn about electrostatic discharge and discuss some products that can be used in your work environment to help prevent the buildup and discharge of static electricity. We’ll also compare ESD to electromagnetic interference (EMI) and show how troubleshoot and eliminate sources of EMI.

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CompTIA A+ Training Course Introductory Module

This is an overview video for Professor Messer’s Free CompTIA A+ Certification Training Course, the industry’s first free video-based training for the CompTIA A+ certification. In this introductory module, you’ll learn about Professor Messer, the format of the training course, and our goal for building a community of A+ certified professionals. You’ll also learn about the history of CompTIA, the advantages of an A+ certification, the exam categories, and best practices to use when taking the CompTIA A+ certification exam at your testing center.

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Hacking Nmap: Using Nmap to Calculate Network Response Time

“The network is slow!” Almost everyone in Information Technology has heard the cries of the end user community when their important application begins crawling. Because of the complexities associated with modern application infrastructures, technology professionals are often challenged to determine the source of the slowdown. Is the application sluggishness related to the network, security configuration, the end-user workstations, the server, or the application?

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