Exam 70-483 topic 2 question 66 discussion

Actual exam question from Microsoft's 70-483

Question #: 66
Topic #: 2

You are troubleshooting an application that uses a class named FullName. The class is decorated with the DataContractAttribute attribute. The application includes the following code. (Line numbers are included for reference only.)

You need to ensure that the entire FullName object is serialized to the memory stream object.
Which code segment should you insert at line 09?

A. binary.WriteEndElement();
B. binary.NriteEndDocument();
C. ms.Close();
D. binary.Flush();

Show Suggested Answer

Suggested Answer: B 🗳️
✑ DataContractSerializer.WriteEndObject Method (XmlDictionaryWriter)
Writes the closing XML element using an XmlDictionaryWriter.
✑ Note on line 07: DataContractSerializer.WriteObject Method
Writes all the object data (starting XML element, content, and closing element) to an XML document or stream.
XmlDictionaryWriter

by rdorado at April 15, 2019, 11:23 a.m.

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rdorado

Highly Voted 6 years ago

La correcta es la D

upvoted 33 times

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Sully_2020

Highly Voted 5 years, 1 month ago

This is the same question (except with a typo in the answer choices) as question # 41 on page 27. The correct answer is D, binary.Flush(); (see the C# code example located on https://docs.microsoft.com/en-us/dotnet/framework/wcf/samples/datacontractserializer-sample ) -> By default, the DataContractSerializer encodes objects into a stream using a textual representation of XML. However, you can influence the encoding of the XML by passing in a different writer. The sample creates a binary writer by calling CreateBinaryWriter. It then passes the writer and the record object to the serializer when it calls WriteObjectContent. Finally, the sample flushes the writer ...

upvoted 9 times

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Qadar

Most Recent 4 years, 5 months ago

Its D.

upvoted 3 times

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Farrukh387

4 years, 5 months ago

D is correct answer.. it requires flush

upvoted 2 times

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whtvr

5 years, 2 months ago

The explanation of this question is clearly wrong, or the picture in the question is wrong, because for what's in the picture I'd also say it should be D

upvoted 3 times

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sscooter1010

5 years, 3 months ago

When I code this one up, it doesn't get into the MemoryStream object until I execute binary.Flush(). Why is the correct answer B?

upvoted 4 times

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