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What is plenum cable?

CompTIA A+ Pop Quizzes / March 25, 2009

During the construction of a new office area, you’ve been asked to provide plenum-rated cable for your new network runs. What is plenum cable?

What is plenum cable? Read More »

Pages: 1 2

What’s useful about dynamic disk storage?

CompTIA A+ Pop Quizzes / March 24, 2009

Which one of these capabilities is NOT a characteristic of dynamic disk storage?

What’s useful about dynamic disk storage? Read More »

Pages: 1 2

CompTIA Network+ N10-004: 1.1 – Common Networking Protocols

CompTIA Network+ N10-004 / March 24, 2009

The Network+ certification expects every networking professional to be familiar with the most common networking protocols and the location of these common protocols in the Internet Protocol suite. In this video, we’ll detail the important protocols in the link, internet, and transport layers of the IP suite.

CompTIA Network+ N10-004: 1.1 – Common Networking Protocols Read More »

CompTIA Network+ N10-004: 4.1 – The OSI Model

CompTIA Network+ N10-004 / March 23, 2009

The OSI seven layer model is an important concept for any networking professional. In this video, we’ll break down every layer of the OSI model and discuss the integration of the OSI model into real-world networking examples.

CompTIA Network+ N10-004: 4.1 – The OSI Model Read More »

Professor Messer’s N10-004 CompTIA Network+ Training Course

CompTIA Network+ N10-004 / March 23, 2009

Network+ certification training for free? Absolutely!

Professor Messer’s N10-004 CompTIA Network+ Training Course Read More »

What are audio kHz?

CompTIA A+ Pop Quizzes / March 23, 2009

You’ve been asked to convert a Windows WAV file into an MP3 file with a setting of 44.1kHz. What does the kHz option mean?

What are audio kHz? Read More »

Pages: 1 2

The CompTIA A+ 2009 requirements draft is now online

Professor Messer After Class / March 22, 2009

The overall structure of the exam requirements have changed a bit. Laptop and portable devices have been integrated into the hardware section of the requirements, and safety, communication, and professionalism have been collapsed into a single section called “Operational Procedures.” I like the simplified approach.

The CompTIA A+ 2009 requirements draft is now online Read More »

What does hibernate do?

CompTIA A+ Pop Quizzes / March 22, 2009

One of the selections on the shutdown selection on a laptop is “hibernate.” What does the hibernate option actually do?

What does hibernate do? Read More »

Pages: 1 2

Where is the firmware located?

CompTIA A+ Pop Quizzes / March 21, 2009

To help troubleshoot an intermittent problem, the manufacturer of your computer recommends that you upgrade the system’s firmware. Where is the firmware located?

Where is the firmware located? Read More »

Pages: 1 2

What software tool boots from other media to perform diagnostics?

CompTIA A+ Pop Quizzes / March 20, 2009

What software tool allows you to launch an operating system from media other than the hard drive in order to run detailed diagnostics, use hard drive partitioning tools, perform hardware tests, and other advanced functions?

What software tool boots from other media to perform diagnostics? Read More »

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