A+ Pop Quizzes
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Which part of the motherboard connects the CPU to the RAM?
The logical layout of the motherboard consists of many different chipsets and data paths. Which [...] -
Why should you avoid working inside of a CRT?
One of the common warnings posted on the outside of a cathode ray tube monitor [...] -
What can you use to connect two cables?
You are connecting a workstation to an Ethernet network connection on the other side of [...] -
What does a colored stripe on a ribbon cable mean?
Ribbon cables have a colored stripe that runs the length of one side of the [...] -
Why are you printing on the wrong paper?
You are trying to print some customer letters on company letterhead, but the multi-tray laser [...] - More from A+ Pop Quizzes
Network+ Training
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Common Security Threats
The security of the network is a never-ending struggle against the bad guys. In this [...] -
Device Security
The security of the devices on our network must be managed through both physical and [...] -
User Authentication
During a normal day, we are constantly authenticating our user credentials to web sites, file [...] -
Network Access Security
The network is a wide-open space, but there are a number of technologies that network [...] -
Firewalls
Firewalls are one of the most fundamental security components in our modern networks, but not [...] - More from Network+ Training
After Class Blog
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Who I am (not).
Part of my online life is occasionally spent explaining who "Professor Messer" is supposed to [...] -
Professor Messer passes half-a-million training module views!
We’re pleased to announce that our free series of Professor Messer CompTIA training videos have [...] -
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 [...] - 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 [...] -
Installing and Configuring Security Systems
The practical implementation of security system impacts a wide range of systems, technologies, and processes. [...] - More from CompTIA A+ Videos
Other Recent Articles
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Which of these are not advantages of SATA?
SATA drive technology brings many advantages to hard-drive storage. Which of these is NOT one of those advantages?
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Which laptop expansion card connects to PCI and USB?
Which laptop expansion card type connects to both the PCI and USB bus and comes in both 34 millimeter and 54 millimeter sizes?
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Which of these processors are 64-bit CPUs?
Which of these Intel processors are 64-bit CPUs?
A) Itanium
B) Pentium Pro
C) 80386
D) Pentium 4
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What MP3 parameter defines the number of samples per second?
In an MP3 file, which parameter describes the number of samples of audio data in a single second?
- All Recent Articles
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