5. Use MacOS Recovery

Question 1

1. Which utilities are available when you start up from macOS Recovery?

Answer 1

1. MacOS Recovery gives you access to Restore from Time Machine Backup, Install/Reinstall macOS, Get Help Online trough Safari, Disk Utility, Startup Disk, Firmware Password Utility, Network Utility, Terminal, and Reset Password.

Question 2

2. What are the different macOS Recovery options and start up key combinations?

Answer 2

2. MacOS Recovery installs different versions of macOS depending on the start up key combination you use.
   A. Command-R—Install the latest macOS that was installed.
   B. Option-Command-R—Upgrade to the latest macOS that is compatible with your Mac.
   C. Shift-Option-Command-R—Install the macOS that came with your Mac.

Question 3

3. How can you create an external macOS installation disk?

Answer 3

3. You can create a macOS Recovery disk that includes the macOS High Sierra tools and Installation assets with createinstallmedia command-line tool in macOS installer.