What is a multi-core CPU?
You’re looking to purchase a new computer, and you notice that many models include a “dual-core” CPU. What is a significant feature of a dual-core CPU?
Which expansion bus type is this?
Which video-based expansion bus was initially released by Intel in 1997 and has evolved into newer specifications that can support rates of up to 2 gigabytes per second? This expansion bus format isn’t included on new motherboards today, but the bus type is still supported on new video adapters available from a few manufacturers.
What’s the best way to clean motherboard components?
Which of these options should not be used to clean a motherboard?
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CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Logical Connectivity Issues
Often, some of our most irritating network problems are related to logical configuration settings. In this module, you’ll learn how to check port speed, duplex, VLAN configurations, DNS settings, and much more.
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CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Physical Connectivity Issues
The quality of your copper and fiber infrastructure affects everything that traverses your network. In this module, you’ll learn the importance of troubleshooting physical issues like crosstalk, attenuation, shorts, opens, and impedance mismatches.
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CompTIA Network+ N10-004: 4.6 – Network Troubleshooting Methodologies
When a crisis is underway, it can be difficult to follow a logical path to help resolve the problem. In this video, you’ll learn how a detailed methodology can help you through each phase of the troubleshooting process from gathering of information through the resolution and documentation.
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What is the professional thing to do?
A client stops by your office with a broken laptop, and he’s clearly upset over the problems that he’s having. The volume of his voice is becoming increasingly loud, his hands are in constant motion, and he’s speaking very quickly. What would be a good next step?
How can you jump-start a printer queue?
You’ve sent three word processing documents to a network printer, but instead of printing they’re all sitting in a queue on your Windows XP system. Other people are able to print successfully to the printer. Which of these options might help “jump-start” your printer queue?
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 now exceeded over 500,000 views! Our online training courses have provided comprehensive technical training on the IT industry’s most popular certifications, and we’re very happy with the reception that we’ve received from people around the world.
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