Multiple choice technology architecture

Default serialization mechanism used by WCF

  1. DataContractSerializer

  2. XML Serializer

  3. All of the above

  4. Binary serialization
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A Correct answer
Explanation

DataContractSerializer is the default and recommended serialization mechanism for WCF. It provides better performance than XMLSerializer and is opt-in rather than opt-out. While you can configure WCF to use XMLSerializer using the [XmlSerializerFormat] attribute, DataContractSerializer is the out-of-the-box default.

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