Professor Messer, Author at Professor Messer IT Certification Training Courses

What are audio kHz?

CompTIA A+ Pop Quizzes / March 23, 2009 August 13, 2012

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?

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The CompTIA A+ 2009 requirements draft is now online

Professor Messer After Class / March 22, 2009 May 25, 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.

What does hibernate do?

CompTIA A+ Pop Quizzes / March 22, 2009 August 13, 2012

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

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Where is the firmware located?

CompTIA A+ Pop Quizzes / March 21, 2009 August 13, 2012

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

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What software tool boots from other media to perform diagnostics?

CompTIA A+ Pop Quizzes / March 20, 2009 August 13, 2012

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?

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What can you do with a multimeter?

CompTIA A+ Pop Quizzes / March 19, 2009 August 13, 2012

Which one of these things can NOT be done with a typical multimeter?

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What are the lights on a network adapter?

CompTIA A+ Pop Quizzes / March 18, 2009 August 13, 2012

One of your customers is not able to browse the Internet from their workstation. When you look at the network adapter, you see that a light is on next to the RJ-45 connector. What does the light indicate?

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How do you edit a file from the command line?

CompTIA A+ Pop Quizzes / March 17, 2009 August 13, 2012

What Windows command line program allows you to edit files in a full-screen mode?

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How do you dispose of batteries?

CompTIA A+ Pop Quizzes / March 16, 2009 August 13, 2012

You are in the process of disposing of a large group of older laptops, but you’re not sure how to dispose of the batteries. What’s your next step for the disposal of these laptop batteries?

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What’s the throughput of 802.11g?

CompTIA A+ Pop Quizzes / March 15, 2009 August 13, 2012

Your company is installing new 802.11g wireless access points in your conference room areas. What is the maximum theoretical throughput of an 802.11g wireless network?

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