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An index scan means that the database engine will need to scan the whole index page. A faster alternative would be to perform an index seek. The index seek will utilize a sort order, so it can access the index faster. The following query will return the same results but will utilize an index seek instead:

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' VB Public Const IP_Enabled As String = "IPEnabled" Public Const IP_Address As String = "IPAddress" Public Const IP_Subnet As String = "IPSubnet" Public Const DNS_Hostname As String = "DNSHostName" Public Const DNS_Domain As String = "DNSDomain" Public Sub EnumerateAllNetworkAdapters() Dim DemoQuery As ManagementObjectSearcher = New ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration") Dim DemoQueryCollection As ManagementObjectCollection = DemoQuery.Get() For Each DemoManager As ManagementObject In DemoQueryCollection Console.WriteLine("Description : " & DemoManager("Description")) Console.WriteLine("MacAddress : " & DemoManager("MacAddress")) If (CType(DemoManager(IP_Enabled), Boolean) = True) Then Dim IPAddresses() As String = CType(DemoManager(IP_Address), String()) Dim IPSubnets() As String = CType(DemoManager(IP_Subnet), String()) Console.WriteLine(DNS_Hostname & " : " & DemoManager(DNS_Hostname)) Console.WriteLine(DNS_Domain & " : " & DemoManager(DNS_Domain))

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In the previous section, you built a (very) simple Windows 7 WPF application that rendered a red rectangle on the screen. Now you re going to add the first step of basic touch input by adding the code that allows you to move the rectangle around the screen using touch. First you need to inform Windows that you want to be able to manipulate the rectangle using the touch system. You do this in XAML with the IsManipulationEnabled attribute. This is a Boolean value, and should be set to true if you want to manipulate an object using multi touch.

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The LPR port is designed for computers that need to communicate with UNIX or virtual address extension (VAX) host computers in accordance with Request for Comments (RFC) 1179. For computers that need to submit print jobs to host computers, the standard TCP/IP port should be used in most cases. A network-connected printer must have a card that supports the Line Printer Daemon (LPD) for TCP/IP printing to work properly. If you want to add an LPR port, you must first install the optional networking component, Print Services For UNIX. To install Print Services For UNIX, follow these steps: 1. From the Start menu, click Control Panel. 2. In the Control Panel window, click Network And Internet Connections. 3. In the Network And Internet Connections window, click Network Connections. 4. On the Advanced menu, click Optional Networking Components. 5. In the Windows Optional Networking Components Wizard, on the Windows Components page, click the Other Network File And Print Services check box, and then click Details.

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After you complete the New Scope Wizard, two scopes should now be listed under the superscope Super1: Test Scope and Test Scope 2. 12. Take a minute to browse the new settings in the DHCP console. If this configuration were in a production environment, a router would be needed to allow the 192.168.0.0 subnet to communicate with the 192.168.1.0 subnet.

Exam Tip If you click Modify The Maximum Number Of Recipients To Display under Mailbox in the Actions pane, this lets you modify the maximum number of recipients displayed in the Recipient Conf iguration Result pane. It does not modify the selected mailbox. Be wary of answers in examination questions that suggest clicking Modify The Mailbox to conf igure mailbox features.

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Type forwarding is an attribute (implemented in TypeForwardedTo) that allows you to move a type from one assembly (assembly A) into another assembly (assembly B), and to do so in such a way that it is not necessary to recompile clients that consume assembly A. After a component (assembly) ships and is being used by client applications, you can use type forwarding to move a type from the component (assembly) into another assembly and ship the updated component (and any additional assemblies required), and the client applications will still work without being recompiled. Type forwarding works only for components referenced by existing applications. When you rebuild an application, there must be appropriate assembly references for any types used in the application.