• A.
  In general, you can’t tell when the GC will perform garbage collection.
• B.
  It is possible for a program to run without ever performing garbage collection.
• C.
  An object’s Dispose method can call GC.SuppressFinalize to prevent the GC from calling the object’s destructor.
• D.
  Before destroying an object, the GC calls its Dispose method.

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• A.
  Destructors are called automatically.
• B.
  Destructors cannot assume that other managed objects exist while they are executing.
• C.
  Destructors are inherited.
• D.
  Destructors cannot be overloaded.

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• A.
  Free managed resources.
• B.
  Free unmanaged resources.
• C.
  Call GC.SuppressFinalize .
• D.
  All of the above.

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• A.
  Implement IDisposable and provide a destructor.
• B.
  Implement IDisposable and not provide a destructor.
• C.
  Not implement IDisposable and provide a destructor.
• D.
  Not implement IDisposable and not provide a destructor.

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• A.
  Implement IDisposable and provide a destructor.
• B.
  Implement IDisposable and not provide a destructor.
• C.
  Not implement IDisposable and provide a destructor.
• D.
  Not implement IDisposable and not provide a destructor.

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