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Exam 70-483 topic 1 question 43 discussion

Actual exam question from Microsoft's 70-483
Question #: 43
Topic #: 1
[All 70-483 Questions]

You are developing an application by using C#.
The application includes an object that performs a long running process.
You need to ensure that the garbage collector does not release the object's resources until the process completes.
Which garbage collector method should you use?

  • A. WaitForFullGCComplete()
  • B. WaitForFullGCApproach()
  • C. KeepAlive()
  • D. WaitForPendingFinalizers()
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Suggested Answer: C 🗳️
The GC.KeepAlive method references the specified object, which makes it ineligible for garbage collection from the start of the current routine to the point where this method is called.
The purpose of the KeepAlive method is to ensure the existence of a reference to an object that is at risk of being prematurely reclaimed by the garbage collector.
The KeepAlive method performs no operation and produces no side effects other than extending the lifetime of the object passed in as a parameter.
by mmarinov at May 4, 2020, 8:36 a.m.

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mmarinov
Highly Voted 5 years, 2 months ago
KeepAlive() is correct.
upvoted 6 times
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