tailieunhanh - mcts training kit 70 - 686 Windows 7 Enterprise Desktop Support administrator phần 9

n Chương 9, "Triển khai ứng dụng", bạn đã học về công nghệ triển khai ứng dụng khác nhau mà Windows 7 và Windows Server 2008 R2 cung cấp. Trong chương này, bạn tìm hiểu thêm về quá trình thực tế triển khai các ứng dụng bằng cách sử dụng các công nghệ này. | EXERCISE 2 Configuring Security Zone Settings To allow trusted sites full access to Internet Explorer functions reconfigure the Security zone settings as follows. 1. Click the Internet Explorer icon on the taskbar. The Internet Explorer window appears. 2. Click Tools Internet Options. The Internet Options dialog box appears. 3. Click the Security tab. 4. Select the Local intranet icon. 5. Adjust the Security level slider to Medium. 6. Select the Trusted sites icon. 7. Adjust the Security level slider to Low. 8. Click OK. Lesson Summary The process of troubleshooting Internet Explorer problems is fundamentally the same as that for any IT problem. The procedure can be broken down into the following basic steps identify the symptoms determine the scope of the problem isolate the location of the problem list possible causes apply a solution and test the results. Depending on how the IT department of your organization is organized the role of the Windows 7 desktop administrator in the troubleshooting process might vary. In smaller organizations you might be responsible for fielding end-user problems and following them wherever they lead. However in larger organizations you might find yourself somewhere in the middle of a technical support hierarchy. Try accessing the Web site from other network segments or subnets. You are attempting to discover whether there is an infrastructure issue affecting part but not all of the network. A problem with a Dynamic Host Configuration Protocol DHCP server can prevent just the computers on a specific subnet from obtaining the IP addresses they need to access the Internet. When a computer running Windows fails to locate a DHCP server or if the server is unable to supply it with an address Windows automatically assigns itself an address using a technique called Automatic Private IP Addressing APIPA . If a computer cannot access the http site but it can access http DNS is almost certainly the problem. 450 .