Exam 70-357 topic 1 question 11 discussion

Actual exam question from Microsoft's 70-357

Question #: 11
Topic #: 1

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets the stated goals.
You are developing a Universal Windows Platform (UWP) app.
Your app stores files on a users device.
You need to be able to replace the existing files with new files generated by the user.
Solution: You run the StorageFile.GetParentAsync method to get a reference to the existing file. Then, you run the StorageFile.CreateStreamedFileAsync method to create the new file at the same location.
Does this meet the goal?

A. Yes
B. No

Show Suggested Answer

Suggested Answer: Explanation 🗳️
The GetParentAsync() method gets the parent folder of the current file.
The CreateStreamedFileAsync method can be used to create a StorageFile that can be passed to other methods or passed to another app through app contracts.
Reference: https://docs.microsoft.com/en-us/uwp/api/windows.storage.storagefile

by liconnotalo at May 14, 2019, 12:38 a.m.

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yapi

4 years, 6 months ago

GetParentAsync gets reference to folder, not file

upvoted 2 times

Leodolz

3 years, 10 months ago

That's why you use StorageFile.CreateStreamedFileAsync after getting the reference, answer is A

upvoted 1 times

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liconnotalo

5 years, 7 months ago

What is the answer?

upvoted 1 times

dsvirdi

4 years, 9 months ago

Its A. Yes

upvoted 3 times

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