CYB 230 Module Two Lab Worksheet

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Dec 6, 2023

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1 2-2 Lab Worksheet Chris Lawton Southern New Hampshire University CYB 230: Operating System Security Dr. Casey R. Morganelli March 12, 2023

2 CYB 230 Module Two Lab Worksheet Complete this worksheet by replacing the bracketed phrases in the Response column with the relevant information. Lab: Ubuntu Desktop Linux Installation Prompt Response In the lab section “Install Ubuntu Using a Custom Hard Disk Layout,” Step 25 , use your name for the user information and provide a screenshot of the output before clicking Continue .

3 Prompt Response In the lab section “Installing Patches With the Ubuntu Software Updater,” Step 8 , provide a screenshot of the output before clicking Authenticate . What is the importance of keeping an operating system patched and up- to-date? Keeping your operating system patched and up-to-date ensures you are keeping your computer secure by the OS vendor providing up-to-date security patches. It will also help your computer run smoother by the patches providing potential glitch fixes that could happen if outdated. Lab: Disk Maintenance and Data Recovery

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4 Prompt Response In the lab section “Backing Up and Restoring Data,” provide a screenshot of the output of Step 51 . In the industry, desktops are typically cloned and images are used on multiple PCs. Explain how using the restore point utility can help with the rebuilding and testing of PCs. When you have proper system restores set up, you are able to test out different software patches - as well as OS patches to see how they might affect your system. If something were to go wrong, you have a restore point to fix any issues that might arise. Lab: Patching, Securing Systems, and Configuring Anti-Virus

5 Prompt Response In the lab section “Closing Unnecessary Ports,” Step 30 , insert your name at the command line below the output and include it in your screenshot. In the lab section “Exploitation and Patching,” Step 18 , insert your name at the command line below the output and include it in your screenshot.

6 Prompt Response Explain why it is important to close ports that are not being used within a computer system. Closing unused ports within your computer system can help prevent security breaches. This is due to reducing the attack routes your organization might be exposed to.

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