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The JOIN clause allows you to retrieve columns from related tables and group the results into a single result set. JOIN types include INNER, LEFT OUTER, RIGHT OUTER, FULL OUTER, and CROSS. JOIN operators can combine more than two tables. A table can be joined to itself by defining different aliases for each reference to the table.

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location in the file system. Disabled An application can launch with UIAccess integrity even if it does not reside in a secure location in the file system.

For more information on Windows Vista certificate support, go to http://technet2.microsoft.com /WindowsVista/en/library/5b350eae-8b08-4f2c-a09e-a17b1c93f3d01033.mspx mfr=true. For a list of Trusted Root Certificates in Windows, go to http://support.microsoft.com/kb/931125.

Although stored procedures are a better alternative for performing data modifications, you can use views to INSERT, UPDATE, DELETE, BCP, or BULK INSERT data. The view is used as a pass-through to apply the changes directly to a single base table. To constrain the changes to only the set of rows that match the view s WHERE clause, you use the WITH CHECK OPTION clause when creating the view.

If a user is dialing in to a stand-alone remote access server that is not a member of a domain, the user must first log on to his or her local computer or local domain before attempting to connect to the remote server. In this case, the remote computer s verification of the credentials sent with the dial-up connection is the only authentication that needs to occur before the connection is authorized and established. These credentials must be stored in the answering server s local Security Accounts Manager (SAM) before the user connects.

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Microsoft Windows Server 2003 can be configured as a router, as a dial-up server, as a virtual private network (VPN) server, and as a Network Address Translation (NAT) provider Two such servers can be configured to send data between two pri vate networks securely over the Internet The Internet Authentication Service (IAS) on Windows Server 2003 can be configured to provide the Remote Authentica tion Dial-In User Service (RADIUS) to RAS servers that are RADIUS clients Where Windows Server 2003 is configured as a RAS server, you need to know about its security and authentication methods, and how to configure dial-up permissions and dial-up properties You also need to know how to administer policies and permissions for a particular scenario, how to mandate the use of the Kerberos version 5 protocol for user authentication, and how to specify a strong password policy.

Computer hardware might not work for a variety of reasons. When trying to troubleshoot hardware on a computer running Windows Server 2003 computer you should check whether the device driver is correctly installed, whether the resources the hardware uses are conflicting with another device on the computer or whether the driver has been disabled. A good place to start troubleshooting hardware is to ask yourself What about the computer s configuration has changed If you ve just added a second network card and your SCSI hard disk drive (HDD) controller is no longer working, it is a safe bet that removing the second network card will restore the controller to operation. Two important tools that you should be aware of prior to troubleshooting hardware are the Device Manager and the Recovery Console. Device Manager allows you to quickly ascertain which devices have problems and which are functioning normally. You can also adjust the hardware resources that devices use in Device Manager. This is a simple but effective way to resolve hardware conflict. The Recovery Console allows you to disable devices that might be causing startup problems. It is not as central to hardware troubleshooting as the Device Manager but is still an important part of any troubleshooting toolkit.