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mcsa mcse exam 70-292 study guide phần 5

vì vậy đây là một phần quan trọng mà bạn nên trở thành quen thuộc. Các phím quan trọng nhất để hiểu biết làm thế nào để khắc phục sự cố dịch vụ đầu cuối đến từ các nền tảng kiến thức trong chương này. Biết làm thế nào nó tất cả các công trình là điều cần thiết để trả lời những câu hỏi xử lý sự cố | 258 Chapter 4 Managing and Maintaining Web Servers 7. To create or edit approved certificate trust lists CTL for the Web site enable this option and click New or Edit to configure it. A CTL is a list of approved CAs for a particular Web site. 8. Click OK to close the Secure Communications dialog. Test Day Tip If you set the Require 128-bit encryption option and clients connect with a valid certificate but with a browser that cannot support 128-bit encryption they will not be able to connect. Select this option with care EXAM 70-292 OBJECTIVE 3.3.1 Troubleshooting IIS 6.0 Let s examine some of the troubleshooting associated with IIS 6.0.Troubleshooting can be divided in three different areas Content errors Connection errors Miscellaneous errors Troubleshooting Content Errors Content errors are often caused by ASP or ASP.NET application codes. These application codes or scripts are required to perform business intelligence tasks to manipulate data. Some of the more common content errors are discussed in the following sections. Static Files Return 404 Errors This is the most common IIS error and could be due to one of two main reasons The user may have entered an incorrect URL The file extension is invalid IIS is configured to only accept requests from files that have a valid extension. For example IIS will understand the .ASPX extension but it will not understand an .ABC file extension. www.syngress.com Managing and Maintaining Web Servers Chapter 4 259 Test Day Tip You can enable IIS 6.0 to accept all requests for any file extension by adding the application octet-stream value to the MIME types list in IIS 6.0. IIS checks for the file extension upon its receipt of a request. All of the valid file extensions are available as Multipurpose Internet Mail Extensions MIME formats in IIS. MIME types instruct the Web server how to process the incoming requests. For example if an administrator requests an .ASPX file the Web server knows to instruct ASP.NET to process the .