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The ShoppingCartItem includes three members that must be provided by the application when the object is created. The fourth member, total, is dynamically calculated by multiplying the price and quantity. If this class were serialized as-is, the total would be stored with the serialized object, wasting a small amount of storage. To reduce the size of the serialized object (and thus reduce storage requirements when writing the serialized object to a disk, and bandwidth requirements when transmitting the serialized object across the network), add the NonSerialized attribute to the total member:

The Ldifde utility is included in Windows Server 2003, and you can copy it to a computer running Windows 2000 Professional or Windows XP. It can then be bound and used remotely to the Windows Server 2003 Active Directory.

1. The available communication channels are HTTP, TCP, and IPIPC is out of the question because it is used only for communication on a single machine. In the presented scenario, either HTTP or TCP could be used over the Web. However, TCP is typically used for intranet communication and with a binary formatter. TCP could be used with a SOAP formatter and could provide some security ben efits by utilizing an uncommon port. Due to the remote object being hosted using IIS, HTTP is the default channel and is perfectly suited to the scenario. 2. The remote object could be activated on the server or on the client. To improve performance somewhat, the remote object should be activated on the server, as this arrangement will minimize data being sent over the Web. If the object is acti vated on the client, the entire object will need to be passed to the client. Further more, if the object is activated on the client, the object typically will not have access to the database on the server. With the object activated on the server, a Singleton object would be best suited to the Web environment, as it can maintain state between client calls.

Figure B-16

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Conversion in Visual Basic and C#

UPDATE Categories SET CategoryName = 'Dried Produce' OUTPUT inserted.CategoryID, deleted.CategoryName , inserted.CategoryName, getdate(), SUSER_SNAME() INTO CategoryChanges WHERE CategoryID = 7;

Correct Answers: A and E A. Correct: The Helpdesk Subnet includes the IP address range 10.0.10.64 through 10.0.10.127. B. Incorrect: The Server Room subnet includes the IP address range 10.0.25.80 through 10.0.25.95. C. Incorrect: The Administration subnet includes the IP address range 10.0.16.224 through 10.0.16.255. D. Incorrect: The Helpdesk Subnet includes the IP address range 10.0.10.64 through 10.0.10.127. E. Correct: The Server Room subnet includes the IP address range 10.0.25.80 through 10.0.25.95.

(CompleteFilePath, System.IO.FileMode.Open, System.IO.FileAccess.Read); // The reader reads the binary data from the FileStream.

ALTER TABLE FactInternetSales DISABLE CHANGE_TRACKING;

MailMessage has the following less frequently used properties:

The Add Printer Wizard is one method that client computers running Windows XP Professional, Windows XP Home Edition, Windows 2000, Windows Me, Windows NT, Windows 98, or Windows 95 can use to connect to a printer. This is the same wizard that you use to add and share a printer. The options that are available in the Add Printer Wizard that allow you to locate and connect to a printer vary depending on the operating system that the client computer is running.

A Microsoft Windows Server 2003 domain with a domain controller (Computer1) and member server (Computer2). Assigned a static address for the member server if you have been using a Dynamic Host Configuration Protocol (DHCP) assigned address in previous exercises. Installed Network Monitor. A computer running Microsoft Windows 2000 Professional. It should not be a member of the domain. If you do not have a system running Windows 2000 Pro fessional, you can remove the member server from the domain and use it instead; you will get the same results with Windows Server 2003.

Parameters are assigned data types consistent with the database data types (as opposed to the .NET Framework data types). To facilitate passing user input to a SQL statement using parameters, a parame ter can be assigned the value in a control at run time, such as a TextBox.

1. You must restrict access to a method based on a user s group memberships. You want to use the most secure method possible. Which technique will you use Choose the correct answer. a. WindowsPrincipal.IsInRole b. Imperative RBS demands c. Declarative RBS demands