Programming Web Service .Net Aptech

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| By Phamyen100
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Phamyen100
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Quizzes Created: 1 | Total Attempts: 185
Questions: 19 | Attempts: 185

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DotNET Quizzes & Trivia

Web Service. Net


Questions and Answers
  • 1. 

    The message component of SOA is an XML document that contains the request or response.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The message component of Service-Oriented Architecture (SOA) is indeed an XML document that contains the request or response. XML is a widely used format for representing structured data, and it allows for easy integration and interoperability between different systems and platforms. By using XML as the message format, SOA enables loose coupling and flexibility in exchanging data between services. Therefore, the given answer "True" is correct.

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  • 2. 

    The compose phase of SOA focuses on creating and implementing the services

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The compose phase of SOA does not focus on creating and implementing the services. Instead, it focuses on assembling the existing services to create new composite services. This phase involves designing and orchestrating the interactions between the individual services to achieve the desired functionality. Therefore, the correct answer is False.

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  • 3. 

    A Web Service consists of  a service interface and a user interface in HTML and XML formats,respectively.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    A web service consists of a service interface that defines the methods and operations that can be accessed by clients, and it communicates using XML or JSON formats, not HTML. HTML is used for creating the user interface of a web application, while XML is used for data exchange between systems. Therefore, the statement that a web service consists of a service interface and a user interface in HTML and XML formats respectively is incorrect.

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  • 4. 

    A Web Service registers itself in a service registry, which is also known as the directory service.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A web service typically registers itself in a service registry, also known as a directory service, in order to make itself discoverable to other services or clients. This registry allows other services or clients to locate and communicate with the web service by providing information such as its location, endpoint, and available operations. Therefore, the statement that a web service registers itself in a service registry is true.

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  • 5. 

    A Web Service provider handles communication using protocols supported by Web Services.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because a Web Service provider does not handle communication using protocols supported by Web Services. Instead, it is the responsibility of the Web Service client to handle communication using these protocols. The Web Service provider is responsible for hosting the service and providing the necessary functionality for clients to interact with it.

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  • 6. 

    The ISAPI architecture of IIS comprises of extensions an filters

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The ISAPI architecture of IIS indeed consists of extensions and filters. ISAPI (Internet Server Application Programming Interface) is a specification that allows developers to create dynamic web applications for IIS (Internet Information Services). Extensions are components that handle specific types of requests, such as ASP.NET pages or CGI scripts, while filters are components that intercept and modify incoming and outgoing requests. Therefore, the statement "The ISAPI architecture of IIS comprises of extensions and filters" is correct.

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  • 7. 

    A Web Service broker binds to the required service provided by the Web Service provider

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    A Web Service broker does not bind to the required service provided by the Web Service provider. Instead, it acts as a middleman between the service provider and the service requester, facilitating the discovery and integration of different web services. The broker helps in finding the appropriate service based on the requester's requirements and provides a layer of abstraction for the service requester to interact with the service provider. Therefore, the statement is false.

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  • 8. 

    A Web Service consumer supports asychronous call to Web Services

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A Web Service consumer supporting asynchronous calls means that it can initiate a request to a Web Service and continue with other tasks without waiting for a response. This allows for improved performance and efficiency as the consumer can handle multiple requests simultaneously. Asynchronous calls are commonly used in scenarios where a response may take a long time to process, such as when dealing with large amounts of data or when interacting with slow or unreliable networks. Therefore, the statement "A Web Service consumer supports asynchronous call to Web Services" is true.

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  • 9. 

    UDDI is an HTML-based registry used to register services.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    UDDI (Universal Description, Discovery, and Integration) is not an HTML-based registry used to register services. It is actually a platform-independent XML-based registry that allows businesses to list and discover web services. Therefore, the correct answer is False.

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  • 10. 

    SOAP and web clients use the WSDL file to retrieve information about the Web Service.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because SOAP and web clients rely on the WSDL (Web Services Description Language) file to obtain information about the Web Service. The WSDL file acts as a contract between the service provider and the client, describing the operations, input/output parameters, and communication protocols of the service. It allows clients to understand how to interact with the Web Service and make appropriate requests. Therefore, it is essential for SOAP and web clients to use the WSDL file to retrieve the necessary information.

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  • 11. 

    The unsignedLong data type represents a 64-bit unsigned integer.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the unsignedLong data type does indeed represent a 64-bit unsigned integer. This means that it can hold positive integer values ranging from 0 to (2^64)-1, without any negative values. The "unsigned" keyword indicates that the data type only stores non-negative values. Therefore, the statement "The unsignedLong data type represents a 64-bit unsigned integer" is true.

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  • 12. 

    HTTP supports the float data type.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    HTTP does not support the float data type. HTTP is a protocol used for communication between clients and servers over the internet, and it primarily deals with text-based data. The data exchanged in HTTP requests and responses is typically in the form of strings, not specific data types like floats. Therefore, the statement that HTTP supports the float data type is false.

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  • 13. 

    The Codebehind attribute of the @ WebService directive sets the class implementing the Web Service.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The Codebehind attribute of the @ WebService directive does not set the class implementing the Web Service. The Codebehind attribute is used in ASP.NET Web Forms to specify the code-behind file for the webpage. In the case of a Web Service, the class implementing the service is typically specified using the ServiceClass attribute within the code-behind file itself. Therefore, the given statement is false.

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  • 14. 

    The Src attribute of the @ Assembly directive sets the path of the linked assembly.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false because the Src attribute of the @ Assembly directive does not set the path of the linked assembly. The Src attribute is used to specify the URL or virtual path of the assembly to be linked, but it does not set the path. The path is determined by the location of the assembly in the file system or in the Global Assembly Cache (GAC).

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  • 15. 

    The System.Web.Services.Configuration namespace is used to determine the execution of an XML Web Service.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The System.Web.Services.Configuration namespace provides classes and methods that allow developers to configure and control the execution of XML Web Services. This namespace includes classes such as WebService, WebServiceBinding, and WebServiceDescription, which can be used to define the behavior and settings of a web service. By using the classes in this namespace, developers can customize the behavior of their web services and control how they are executed. Therefore, the statement "The System.Web.Services.Configuration namespace is used to determine the execution of an XML Web Service" is true.

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  • 16. 

    The WebServiceAttribute class is used to create an XML Web Service.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The correct answer is False because the WebServiceAttribute class is not used to create an XML Web Service. It is actually used to specify the behavior of an XML Web Service by applying the attribute to the class that implements the service.

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  • 17. 

    The CacheDuration property of the WebServiceAttribute class sets the seconds for storing the response in the cache.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The CacheDuration property of the WebServiceAttribute class is used to set the duration, in seconds, for which the response of a web service should be stored in the cache. By setting this property to a specific value, the response can be cached for a certain period of time, reducing the need to make repeated requests to the web service for the same data. This can help improve performance and reduce network traffic. Therefore, the statement "True" is correct as it accurately describes the functionality of the CacheDuration property.

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  • 18. 

    The Server property of the Webservice class identifies the methods used to process HTTP request.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the Server property of the Webservice class is responsible for identifying the methods used to process HTTP requests. This property allows the server to handle incoming requests and route them to the appropriate methods for processing. By setting the Server property, the Webservice class can effectively handle and respond to HTTP requests.

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  • 19. 

    The GetCustomAttribute() method of the WebServiceAttribute class gets a collection of the user-defined attributes.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The GetCustomAttribute() method of the WebServiceAttribute class does not get a collection of user-defined attributes. Instead, it is used to retrieve a specific user-defined attribute that is applied to the WebService class. Therefore, the given statement is false.

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