5. Applications and Processes: Lesson Seventeen

Question 1

What are the requirements for purchasing apps via the App Store?

Answer 1

The requirements to purchase items from the App Store are:
• OS X 10.6.6 or later
• An Apple ID
• An Internet connection

Question 2

In the App Store, how can you verify which Apple ID is being used for purchases?

Answer 2

In the App Store, you can view the current Apple ID by selecting Store from the menu bar.
You can get more details about this Apple ID by choosing View My Account in the same menu.

Question 3

What are the four primary app environments supported by OS X?

Which ones require an additional download and installation?

Answer 3

The four primary application environments supported by OS X are:
• Native OS X apps, which are created using Cocoa
• UNIX applications, which are primarily accessed via Terminal
• Java applications, which are cross-platform applications
• X Window System applications, which run inside the UNIX windowing environment

OS X doesn’t include the Java application or X Window System runtime. You must download and install them after the initial OS X installation.

Question 4

What are the advantages of app sandboxing?

Answer 4

Sandboxed apps are allowed access only to specific items. They’re otherwise completely cut off from the rest of the system so they can’t cause harm.
All App Store apps must be sandboxed.

Question 5

What are the advantages of code signing?

Answer 5

Code-signed items include a digital signature that the system can use to verify the authenticity and integrity of the app or process and its resources.

Question 6

Which items fall under the file quarantine system?

Answer 6

Any item downloaded using one of the built-in OS X apps is marked for quarantine.
Third-party apps may not mark downloaded items for quarantine.

Question 7

Which three security options does the Gatekeeper system allow?

Which Gatekeeper option is the OS X default?

Answer 7

Gatekeeper can restrict software installations to:

1. App Store apps only
2. App Store and identified developer apps (this is the default option), or
3. Any app

Question 8

What are the three ways Gatekeeper enables you to install apps?

Answer 8

Traditional installation methods are generally categorized as either a drag-and-drop installation, where the user copies the app to the local system, or as an installation package, where an installer process places the items on the local system.

Question 9

Which three methods can be used to uninstall apps?

Answer 9

Three ways you can uninstall apps are:

1. Open Launchpad, hold down the Option key, and click the X button
2. In the Finder, drag the primary app to Trash and then empty Trash
3. Use a custom-built uninstaller package