Part 1

Question 1

Which two industry standards that Apple engineered and then shared with the developer community have contributed to the success of macOS?

Answer 1

Multicast domain name server (DNS) for networking and the Swift programming language for writing software are two industry standards that Apple shared with the developer community and have contributed to the success of macOS.

Question 2

What is the default file system for all Mac computers running macOS Catalina?

Answer 2

The default file system for all Mac computers is Apple File System (APFS).

Question 3

What are some of the new features of macOS Catalina?

Answer 3

Sidecar, Screen Time, Zoom Display, Hover Text

Question 4

Which three apps replace iTunes on macOS Catalina?

Answer 4

Music, Podcasts and TV

Question 5

What are the differences between a macOS update, upgrade, and reinstallation?

Answer 5

• macOS update—Installs an incremental update of macOS but doesn’t upgrade it to the next major version.
• macOS upgrade—Installs the next major standalone version.
• Reinstall—Installs the same major version of macOS on a disk that already has macOS installed. This overwrites the existing system files but leaves apps, user home folders, and other files in place.

Question 6

What are the system requirements to upgrade to macOS Catalina?

Answer 6

OS X Mavericks 10.9 or later

Question 7

Which terminal command should you use to perform the following tasks?
• Print working directory
• List
• Change directory
• Create a folder

Answer 7

• Print working directory: pwd
• List:ls
• Change directory: cd
• Create a folder: mkdir