The extensibility of Web services through the .NET Framework and ASP.NET Web Services contributes to the power and dynamic nature of Web services. Which of the following are correct with regard to the extensibility of Web services?

1. SOAP extensions enable developers to modify the request or response streams of SOAP messages

2. SOAP extensions are applied to a particular operation with a custom SOAP extension attribute, or registered with the application (or machine) configuration file

3. Description formatters can be created to add custom WSDL extensions, and then read to add these SOAP extension attributes

4. HTTP modules and custom Web requests can be used only for a lower level extensibility

5. The Web Services Management for Microsoft .NET (WSM) can enhance .NET Web Services for various Web service protocols that extend beyond the baseline, such as WS-Attachments and WS-Security

6. All of the above

Which of the following protocols form the basis of the Web Service Architecture

1. SOAP

2. WSDL

3. UDDI

4. CORBA

5. All of the above

Creating a hash with a public key encryption is the ability to verify the integrity of data without necessarily encrypting it. Which of the following are correct with regard to HASH?

1. The hash is a nearly unique digest of the message

2. The hash is encrypted using the public key of the sender

3. The encrypted hash serves as a signature of the sender and is sent separately from the decrypted message

4. The hash is the opposite of the usual process used in encryption, in which the public key is used to encrypt, and the plain text is not sent

Which of the following are correct with regard to operations of WS-Routing?

1. WS-Routing enables the specification of a message's forward message path

2. WS-Routing does not support the specification of a reverse message path

3. WS-Routing provides the capability to give messages unique identifiers, and then specify the other messages to which they relate

4. All of the above

When reading a stream of XML in .Net, it can be verified that it is valid according to its schema. Which class is capable of performing the schema validation?

1. xmlValidateTextReader

2. xmlValidtor

3. XmlTextReader

4. XmlValidatingReader

5. None of the above

Which of the following should you know to send a message correctly while using Web service?

1. The IP address and other endpoint information

2. The response schema to expect if there is a response

3. Possible headers that may be expected in the request or response, and the schema for those

4. All of the above

Mike has built the following document literal web service client class by hand. This code contains an invalid syntax in one line. Identify this line.

1. [WebServiceBinding("MyBinding", "http://MyNS")]
2. public class CustomWebMethods : SoapHttpClientProtocol
3. {
4.      public CustomWebMethods()
5.      {
6.            this.Url = "http://localhost:8080";
7.      }

8.      [DocumentMethod("http://mySoapAction")]
9.      public int Add( int x, int y)
10.     {
11.            Object[] args = {x, y};
12.            Object[] responseMessage = this.Invoke( "Add", args );
13.            return ((int)(responseMessage[0]));
14.      }
15.}

1. Line 1

2. Line 2

3. Line 8

4. Line 12

5. Line 3

6. None of the above

WS-Routing specifies a series of elements that can send a SOAP Fault message in response to an error. Which of the following elements are relevant to the SOAP Fault message specified by WS-Routing?

1. Coded

2. Messagetext

3. Found

4. retryAfter

5. All of the above

The two major features in .NET are the ability to create XML Web Services Servers and XML Web Services Clients. Which of the following is the engine that drives most of these features?

1. XML Schema

2. SOAP Engine

3. XML Serialization

4. None of the above

Which of the following is a process of making resources and services available on a new system, when the previous system fails while using a federated Web service design?

1. RECOVER

2. ROLLOVER

3. FEDERATION REPAIR

4. None of the above