A+ Pop Quizzes
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Troubleshooting a laptop display
One of your customers has called with a problem related to the laptop’s LCD display. [...] -
There’s a yellow exclamation mark in my Device Manager!
During the troubleshooting process of a new printer, you see a yellow exclamation mark next [...] -
How can you restrict access to your wireless network?
You would like to limit access to your network to specific computers. Which wireless security [...] -
Troubleshooting garbled printouts
A customer has called you with a printer problem where the printouts are completely garbled. [...] - More from A+ Pop Quizzes
Network+ Training
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Wiring Distribution
Have you ever seen the wiring closet of a relatively large network? It’s a mix [...] -
Logical Network Topologies
Once a network is in place, there are many different ways to communicate to other [...] -
LAN Technologies and Properties
Ethernet is the King of the LAN, and in this video we’ll go into details [...] -
Packet Switched WAN Technologies
Packet switched WAN networks are the latest technologies in wide area communication. In this video, [...] - More from Network+ Training
After Class Blog
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Official dates announced for CompTIA A+ 2009 Edition
In their June newsletter, CompTIA announced dates for the new exam and the phase-out plan [...] -
The CompTIA A+ 2009 requirements draft is now online
The overall structure of the exam requirements have changed a bit. Laptop and portable devices [...] -
A sneak peek into the updated CompTIA A+ 2009 certification
Since the last revision of the CompTIA A+ exam requirements was in 2006, it’s not [...] -
This will not be on the exam.
During the process of authoring, photographing, and recording our CompTIA A+ certification videos, my home-office [...] - More from After Class Blog
CompTIA A+ Videos
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The Windows Command Line
The intricacies of the Windows command line may seem difficult to grasp, but with a [...] -
Other Windows Diagnostic Utilities
Some Windows diagnostic utilities aren’t used often, but they’re very useful when the right situation [...] -
Security Preventive Maintenance
The security of an organization is ultimately only as good as its people and its [...] -
Troubleshooting Security Systems
Security systems are fantastic things, until they suddenly stop working. In this video, we’ll discuss [...] - More from CompTIA A+ Videos
Other Recent Articles
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How can you get real-time device status information?
One of your customers has a specialized USB input device that usually works without a problem, but occasionally when starting the computer the device will not operate at all. What Windows utility can provide you with real-time information on the status of the device?
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When should you use FAT32?
The NTFS file system includes many advantages over FAT32, but there may be some instances where using FAT32 is preferable over NTFS. Which one of these would be a good reason to choose FAT32 over NTFS?
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What security exploit is this?
During a normal workday, you receive a call at your desk asking for information about a recently submitted help desk ticket. Two things are remarkable about this particular call; you notice that the call is coming from an outside line, and you don’t have any recent help desk tickets. What security exploit should you be concerned about?
- All Recent Articles


