Introduction to CompTIA SY0-401 Security+

CompTIA’s Security+ is a popular IT certification, and the certification topics range from networking to cryptography. In this video, I’ll give you an overview of the Security+ certification and I’ll give you some tips to help with your exam testing experience.

Professor Messer’s CompTIA 220-801/802 A+ Training

This is the index to our free CompTIA 220-801/802 A+ training course videos. All of our training videos are completely free; watch all of our videos online right now! For a small cost, you can download every video, audio versions of each module, and all of our slides in PDF format! Click here to see …

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What utility can free disk space?

Your hard drive is getting a bit full, so you’d like to run the Windows Disk Cleanup program to remove some temporary files and other optional files. How can you start the Disk Cleanup utility from the command prompt?