nerdexam
Apple

9L0-412 · Question #78

Review the screenshot and answer the question below. You downloaded an app using Safari. When you try to open the app, you see the message shown above. What is a possible explanation?

The correct answer is D. The app was signed using a certificate from an unknown authority. See the full explanation below for the reasoning.

Question

Review the screenshot and answer the question below. You downloaded an app using Safari. When you try to open the app, you see the message shown above. What is a possible explanation?

Exhibit

9L0-412 question #78 exhibit

Options

  • AThe sandbox into which the app was downloaded by the quarantine system has become corrupted.
  • BThe certificate needed to decrypt this app cannot be found in the keychain.
  • CGatekeeper has recognized that the app was altered after it was signed.
  • DThe app was signed using a certificate from an unknown authority.

How the community answered

(44 responses)
  • A
    7% (3)
  • B
    16% (7)
  • C
    5% (2)
  • D
    73% (32)

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