macOS Support Essentials 10.15

• Describe macOS • Describe new macOS Catalina 10.15 features

• Describe the differences between a macOS update, upgrade, and reinstallation. • Describe the macOS Installer. • Update macOS. • Upgrade macOS. • Reinstall macOS. • Verify system information • Troubleshoot a macOS upgrade or reinstallation.

• Complete initial macOS configuration. • Adjust common system settings. • Identify and install a configuration profile.

• Describe when the command-line interface is useful. • Use man (manual) pages to find more information about commands. • Manipulate files in the command-line interface.

• Access macOS Recovery utilities. • Manage Startup Security Utility. • Set a firmware password to secure macOS startup. • Manage Secure Boot and external boot options for Mac computers that have the Apple T2 Security Chip. • Reinstall macOS from macOS Recovery. • Create an external macOS Recovery disk.

• Configure automatic macOS software update settings in Software Update preferences. • Configure automatic App Store software update settings in App Store preferences. • Automatically update Apple-sourced software. • Manually update Apple software. • Use a mobile device management (MDM) solution to update macOS.

• Recognize various user account types and user attributes. • Create and manage user accounts. • Restrict access for children with Screen Time settings. • Adjust login and fast user switching settings.

• Describe user home folders. • Delete users’ accounts and archive their home folder contents. • Migrate and restore home folders.

• Describe password types and use. • Manage secrets in Keychain. • Turn on iCloud Keychain and manage it. • Manage systemwide security and user privacy. • Use System Extensions. • Use Find My. • Secure your Mac with Activation Lock. • Lock your screen.

• Change known passwords. • Reset lost user passwords.

• Recognize systems that macOS supports. • Manage disks, partitions, and volumes. • Troubleshoot and repair partition and volume issues.

• Describe how FileVault helps protect data. • Enable FileVault protection. • Describe how to regain access to a FileVault-protected Mac when all local user account passwords are lost.

• Describe file ownership and permissions. • Explore macOS default shared folders. • Securely manage file and folder access.

• Navigate to hidden files and folders. • Examine packages and bundles. • Manage aliases and links. • Create and open ZIP archives and disk images.

• Explore and understand the macOS file layout. • Discover common system files, their location, and their purpose. • Describe System Integrity Protection. • Manage font resources.

• Describe how macOS stores and uses file metadata. • Use metadata such as tags and comments to organize your files. • Use Spotlight and Siri to search for local and Internet resources.

• Describe Time Machine. • Configure Time Machine to back up data. • Restore files from a Time Machine backup • Restore an entire Mac from a Time Machine backup.

• Install apps from the App Store. • Describe app support and identify security issues. • Install apps using software packages and the drag-and-drop method.

• Use Launch Services and Quick Look to open files. • Describe how Launch Services uses the app database. • Preview files with Quick Look and the Preview pane. • Work with apps that support Auto Save and Versions. • Save and open documents saved to iCloud. • Optimize local storage to reclaim space on the system volume.

• Describe and support app types. • Manage app extensions and widgets in Notification Center. • Monitor and control processes and apps. • Explore various app troubleshooting techniques.

• Describe Transmission Control Protocol/Internet Protocol (TCP/IP) networking concepts. • Configure and monitor network settings. • Connect to a Wi-Fi network.

• Describe the macOS network configuration architecture. • Manage multiple network locations and service interfaces. • Configure advanced network settings.

• Identify and resolve network configuration issues. • Verify network configuration with Network preferences. • Use Network Utility to aid in troubleshooting.

• Describe how macOS accesses shared network services. • Configure built-in macOS network apps. • Browse and access network file services using the Finder. • Troubleshoot network shared service issues.

• Examine and turn on host-sharing services built into macOS. • Examine and turn on content caching services built into macOS. • Use screen-sharing tools to access other network hosts. • Use AirDrop to share files. • Secure shared services by configuring the personal firewall. • Troubleshoot shared service issues.

• Manage peripheral connectivity. • Pair Bluetooth devices with your Mac. • Troubleshoot peripheral and driver issues.

• Describe the technologies that enable macOS to print. • Configure macOS for printers and multifunction devices. • Manage and troubleshoot print jobs.

• Describe the macOS startup process. • Examine the essential files and processes that are required to successfully start up. • Learn about macOS startup modes. • Troubleshoot startup and login processes.