What frequency does 802.11n use?
You’re planning a wireless installation in a very populated area, and you’d like to perform an audit of existing wireless spectrum usage to avoid any conflicts. What frequency is used by 802.11n wireless networks?
CompTIA A+ 220-701: 5.2 – Security Technologies
As a CompTIA A+ professional, you’ll use a number of security technologies to help protect your home and office networks. In this video, you’ll learn about wireless encryption, malicious software protection, password management, biometrics, workstation security.
CompTIA A+ 220-701: 5.1 – Security Fundamentals
There are fundamental security techniques that every CompTIA A+ certified professional should know. In this video, you’ll learn about encryption technologies, data wiping, authentication technologies, and much more.
Which motherboard is this?
Which motherboard type was designed for ease of maintenance by separating the main motherboard from the riser card? This motherboard was also one of the first designed to support an Accelerated Graphics Port as part of the motherboard.
No boot device available
When starting your computer, you receive the message “No boot device available – strike F1 to retry boot, F2 for setup.” What might cause this error? Pick two.
CompTIA A+ 220-701: 2.1 – The Troubleshooting Process
Is there a solution to every problem? If you use the troubleshooting process, you’ll have a proven method to track down even the most challenging issues. In this video, you learn how the troubleshooting process can be used to solve both technical and non-technical problems. << Previous Video: Printer Components, Consumables, and InterfacesNext: Operating
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What’s in a name?
In Windows XP running the NTFS file system, which of these characters would be allowed in a filename? Pick two.
What does “archive” mean?
A file on your hard drive has the “archive” attribute set. What does this mean?
What does your printout say?
The output from your laser printer is readable, but over the last week the content of every printed page has gradually faded. Instead of dark print, the information on the page is now a shade of gray. What is the most likely cause of this issue?