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Caching is not enabled by default on ISA Server 2004. To enable caching, you must configure a cache drive. You can then configure additional cache settings for Web content. The default caching rule is in effect as soon as caching is enabled. If you need different caching configurations for specific Web sites, you can configure cache rules to define the types of Web content that will be cached and how it is stored and returned to users. Cache rules can be modified, disabled, or deleted as requirements and conditions change. When troubleshooting ISA Server caching, determine the extent of the problem and then check the caching and cache rule configurations.

In the following case scenario, you will apply what you ve learned about designing SQL Server security in the enterprise. You can find answers to these questions in the Answers section at the end of this book.

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In 6, Installing and Configuring Office Applications, you learned to install and configure Word 2003. After users begin using Word 2003 and perform configura tion tasks on their own, create documents with sounds and images, use macros, and access the advanced features in the application, they might encounter problems using them. In this lesson, you will learn how to resolve some of the more common troubleshooting tasks in Word 2003.

// C# NameValueCollection nv = new NameValueCollection(); nv.Add("First", "1st"); nv.Add("Second", "2nd"); nv.Add("Second", "Not First"); for (int x = 0; x < nv.Count; ++x) { Console.WriteLine(nv[x]); } // 1st // 2nd,Not First

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When creating a user, you are prompted to configure the most common user properties, including logon names and password. However, user objects support numerous additional properties that you can configure at any time using Active Directory Users And Computers. These properties facilitate the administration of, and the searching for, an object. To configure the properties of a user object, select the object, click the Action menu, and then choose Properties. The user s Properties dialog box appears, as shown in Figure 3-3. An alternative way to view an object s properties would be to right-click the object and select Properties from the shortcut menu.

3. You have deployed ISA Server and have created a site-to-site VPN between the organization s head office and one of the branch offices. The users in the remote office need to access resources on the head-office network. These resources include accessing their mailboxes through Exchange Server by using client computers running Outlook, accessing internal Web sites that contain confidential information, and accessing file shares on internal file servers. The organization s security requirements state that users in remote offices should have the same access to the headoffice network as users in the head office. In addition, the domain controllers in the head office must be able to replicate with the domain controllers in the remote offices. What should you do (Choose two correct answers.) a. Configure an access rule that enables Port 80 and Port 443 traffic from the remote-site network to the internal network at the head office. Configure an Exchange Server publishing rule for Outlook RPC publishing and configure an access rule that enables traffic on Port 139. b. Configure an access rule that enables all protocols from the remote-site network to the head-office internal network. c. Configure a network rule that enables a NAT relationship between the remote-site network and the head-office internal network. d. Configure a network rule that enables a route relationship between the remote-site network and the head-office internal network.

1. An application you wrote uses OPENXML to parse XML data into a relational table. As soon as the XML data got bigger, you started to see that SQL Server was running out of memory, and your OPENXML query started to return memory errors. What can you do to improve performance (Choose all that apply.) A. When possible, process all XML documents at once instead of splitting the documents into multiple smaller files. B. Check that you are calling sp_xml_removedocument as soon as possible after executing OPENXML. C. Reduce the size of the XML files by making the XML tag names smaller. D. When possible, split the XML data into multiple smaller files and process each of them independently. 2. Under which circumstances should you use the nodes() method instead of OPENXML (Choose all that apply.) A. The XML data is already stored in an XML data type column. B. You need to extract XML data out of multiple columns, not just a single source. C. You need to use an XPATH expression not supported by OPENXML but supported by the XML data type implementation. D. You are migrating stored procedure code from a previous version of SQL Server.