Microsoft Certified Solutions Developer (MCSD) Certification Practice Test

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Prepare for your Microsoft Certified Solutions Developer (MCSD) exam with flashcards and multiple choice questions. Each question includes hints and explanations to help you succeed. Get ready for your exam!

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Which object is utilized to deserialize a JSON string into an object?

JsonSerializer
JavaScriptSerializer
XmlSerializer
DataContractSerializer

The correct answer is: JavaScriptSerializer

The JavaScriptSerializer is specifically designed for working with JSON data in .NET. It provides methods to convert JSON strings into .NET objects and vice versa, making it a suitable choice for deserialization tasks related to JSON. When you need to convert a JSON string into a .NET object, the JavaScriptSerializer can handle this seamlessly, allowing developers to easily work with data received from web services or APIs that return JSON format. In contrast, the other serializers mentioned—such as JsonSerializer, XmlSerializer, and DataContractSerializer—serve different purposes or are used in different contexts. JsonSerializer, for instance, is a newer option from the Newtonsoft.Json library, which is also capable of deserialization, but it wasn't the correct focus here. Both XmlSerializer and DataContractSerializer are used for XML serialization and are not applicable for JSON deserialization.