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Inheriting from this class is the entry point for your client to consume all of the WSE 3.0 functionality. Although the following list is not exhaustive, it shows the main func tional areas that can be accessed via the WebServicesClientProtocol objects: 1. The SoapContext of SOAP requests and SOAP responses from XML Web services can be accessed through WebServicesClientProtocol objects. SOAP requests can be accessed through the RequestSoapContext property of the class, and SOAP responses can be accessed through the ResponseSoapContext property of the class. 2. SOAP headers defined in the WS-Security specification can be accessed through the SoapContext mentioned in item 1. 3. SOAP headers defined in the WS-Addressing specification can be accessed through the SoapContext mentioned in item 1. 4. If a WebServicesClientProtocol object is cast to a SoapHttpClientProtocol object, members of the WebServicesClientProtocol class that don t exist in the SoapHttpClientProtocol class will be lost. Among these are the RequestSoapContext prop erty and the ResponseSoapContext property.

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There are three types of conflicts that can occur:

Prior to Windows 2000, permissions were fairly simplistic, but with Windows 2000 and later versions, Microsoft enabled significantly more flexible and powerful control over resource access. With more power came more complexity, and now the ACL editor has three dialog boxes, each of which supports different and important functionality. The first dialog box provides a big picture view of the resource s security settings or permissions, allowing you to select each account that has access defined and to see the permissions templates assigned to that user, group, or computer. Each template shown in this dialog box represents a bundle of permissions that together allow a commonly configured level of access. For example, to allow a user to read a file, several granular permissions are needed. To mask that complexity, you can simply apply the Allow:Read & Execute permissions template and, behind the scenes, Windows sets the correct file or folder permissions. To view more details about the ACL, click Advanced, which exposes the second of the ACL editor s dialog boxes, the Advanced Security Settings For Docs dialog box, as shown in Figure 6-5. This dialog box lists the specific access control entries that have been assigned to the file or folder. The listing is the closest approximation in the user interface to the actual information stored in the ACL itself. The second dialog box also enables you to configure auditing, manage ownership, and evaluate effective permissions.

Magnifier This tool presents an enlarged version of the area directly surround ing the pointer in a separate window, making interface elements and text easier to see for the visually impaired. On-Screen Keyboard This tool opens a software-based keyboard in an onscreen window. Users can press the keys on the keyboard by clicking them with their mouse or other pointing device.

Objective 3.2: Install and Configure Software Update Infrastructure 15-17

Correct Answers: C A. Incorrect: The Logon Failed dialog box appears only if a password reset disk has been created for an account on the local computer. The domain user account is not involved in this problem. B. Incorrect: The Logon Failed dialog box appears only if a password reset disk has been created for an account on the local computer. The domain computer account is not involved in this problem. C. Correct: The password reset disk is created for local user accounts and can be used when a user is trying to access a local computer account with the incorrect credentials, as in this case. D. Incorrect: The computer s connection to the network or any network interaction does not cause the Logon Failed dialog box to appear.

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Having a good understanding of how your network infrastructure is constructed will help you troubleshoot, maintain your network, and optimize performance. Because Internet Protocol (IP) routers and IP addressing is the foremost technol ogy in use today, you must have the skills and knowledge to configure client computers, servers, and routers to make an efficient network. Also, knowledge of IP addressing and subnetting is crucial if large network segments need to be bro ken up into smaller, more manageable units. This chapter covers additional skills in IP addressing and subnetting, as well as how Dynamic Host Configuration Proto col (DHCP) services save you time and effort when you are designing your network and routing infrastructure. This chapter begins with an overview of binary math and IP addressing basics because it would be impossible to design a network and routing infrastructure without competency in these areas.