How does defragmentation improve performance?

Learning Goal: I’m working on a cyber security question and need an explanation and answer to help me learn.You discover a hard drive is not being optimized on an automatic schedule. Before you run the Optimize Drives tool, why should you first run Disk Cleanup?
How does defragmentation improve performance?
Why does chkdsk have to run during the startup process – Why is this necessary? What form of the Chkdsk command can you use in a command prompt window that does not require a restart to run?
Based on what you learned in this lab along with your other experiences with Disk Cleanup, which type of files removed by Disk Cleanup took up the most space?
Why might you want to uninstall unused apps?
What is one type of app that should absolutely begin at startup in order to protect your computer from attack?
Requirements: idm

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