nerdexam
Microsoft

70-491 · Question #34

You are developing a Windows Store app. The app will store data in a text file. You create the following method to store encrypted text in the text file: The WriteData method writes the contents of…

The correct answer is D. Option D. us/library/windows/apps/windows.security.cryptography.core.symmetrickeyalgorithmprovid

Manage data

Question

You are developing a Windows Store app. The app will store data in a text file. You create the following method to store encrypted text in the text file:

The WriteData method writes the contents of an IBuffer object to a StorageFile object. You need to recommend a solution to encrypt the data. The solution must minimize the use of system resources and must ensure that the app can decrypt the data. Which code segment should you recommend adding to line 06?

Exhibits

70-491 question #34 exhibit 1
70-491 question #34 exhibit 2

Options

  • AOption A
  • BOption B
  • COption C
  • DOption D

How the community answered

(36 responses)
  • A
    8% (3)
  • B
    6% (2)
  • C
    3% (1)
  • D
    83% (30)

Explanation

us/library/windows/apps/windows.security.cryptography.core.symmetrickeyalgorithmprovid

Topics

#data encryption#IBuffer#symmetric encryption#system resources

Community Discussion

No community discussion yet for this question.

Full 70-491 Practice