Professor Messer’s CompTIA A+ Study Group – April 2012
This month: Understanding CPU cache memory, CPUs and sockets, rebuilding RAID, and using the command line.
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Has anyone seen my spot welder?
You have identified a malware infection on a critical computer at your organization. What is the best process to ensure that the malware is completely eradicated?
I gotta fly to St. Somewhere
One of your associates is using Windows Vista Ultimate, but she is experiencing poor performance and slowdowns. She is using a laptop with a 1 GHz processor, 512 MB of RAM, and 40 GB of free disk space. Which of these would be true about this configuration?
Partly cloudy with a chance of wireless
During the installation of a new wireless router, you have selected the option for SSID suppression. What is the result of this configuration selection?
You’re going in circles
You’ve been tasked with upgrading your organization’s five hundred Windows XP systems to Windows 7. What can MAP do to help you with this process?
CompTIA Network+ N10-005: 3.6 – Troubleshooting Split Cables
A split cable is invisible to wire maps and continuity testers, making it very difficult to troubleshoot. In this video, you’ll learn about split cables and how you can identify a split in your cable.
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CompTIA Network+ N10-005: 3.6 – Troubleshooting Open and Shorts
Short circuits and open circuits can be problematic to identify and resolve. In this video, you’ll learn about opens and shorts and how they cause problems on our networks.
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CompTIA Network+ N10-005: 3.6 – Troubleshooting Bad Connectors
A bad connector can cause everything to be a problem. In this video, you’ll learn what issues to watch out for with your RJ-45 connectors.
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CompTIA Network+ N10-005: 3.5 – Client Server and Peer-to-Peer Networking
Most applications use two main technologies to communicate and process information. In this video, you’ll learn the advantages and disadvantages of client server and peer-to-peer networks.
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