Manage and Troubleshoot Apps Flashcards

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

1
Q

Why would you want to open an app in 32-bit mode?

A

Using the Finder Info window, you can force an app to open in 32-bit mode. This step is necessary for a
64-bit app to support older 32-bit plug-ins or app resources.

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2
Q

What functionality does app extensions add to macOS Mojave?

A

App extensions allow apps from different developers to interact with each other as if they were built into
the app.

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3
Q

How do you install new app extensions? After they’re installed, how do you manage app extension
visibility?

A

App extensions are installed automatically because they’re bundled in the app that provides the
extension. You can enable or disable installed app extensions from the Extensions preferences.

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4
Q

How can you identify the apps that are installed on your Mac?

A

You can use System Information to scan the appropriate app locations and return a list of installed apps.

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5
Q

In macOS Mojave, what app do you use to examine open apps?

A

Use Activity Monitor to monitor open processes and apps.

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6
Q

Which steps should you take when you troubleshoot app issues?

A

General app troubleshooting steps include the following:

a. Restart the app.
b. Open another known working document.
c. Try another app.
d. Try another user account.
e. Check diagnostic reports and log files.
f. Delete cache files.
g. Replace preference files.
h. Replace app resources.

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7
Q

What are the three ways you can forcibly quit an app from the graphical interface?

A

The three ways to forcibly quit an app from the graphical interface are as follows:

a. From the Force Quit Applications dialog
b. From the Dock
c. From the Activity Monitor app

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8
Q

What does the diagnostic reporting feature do?

A

The diagnostic reporting feature automatically creates a diagnostic report log any time an app crashes
or hangs. You can view the diagnostic report immediately or view it later in the /Applications/Utilities/
Console app. It’s reported to Apple through the Internet.

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9
Q

Which file format is often used for preference files? How can you view the content of this file type?

A

Most app preferences are property lists, which are XML files that have the .plist filename extension. You
can view the content of these files using Quick Look and edit them using Xcode, which you can get
from the App Store.

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10
Q

Where are app preferences stored?

A

Application preferences are almost always stored in a user’s Library folder in the ~/Library/Preferences
folder. Newer sandboxed apps must always store their preferences in a ~/Library/Containers/Bundle ID/
Data/Library/Preferences folder, where Bundle ID is the unique bundle identifier for the app.

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