Phân phối thông tin qua các tập tin phân trang nhiều cải thiện hiệu suất bởi vì Windows có thể đọc và viết từ các ổ đĩa trên bộ điều khiển khác nhau cùng một lúc. Khi cố gắng để viết thư cho các tập tin phân trang, được thảo luận trong phần có tiêu đề "Làm thế nào để cấu hình Startup and Recovery | Lesson 5 Implementing Groups 7-45 4. Which of the following statements about deleting local groups are correct Choose all that apply. a. Each group that you create has a unique identifier that cannot be reused. b. You can restore access to resources by re-creating the group. c. When you delete a group you also remove the permissions and rights associated with it. d. Deleting a group deletes the user accounts that are members of the group. 5. What is the difference between built-in system groups and built-in local groups found on computers running Windows XP Professional Give at least two examples of each type of group. Lesson Summary Groups simplify administration by allowing you to assign permissions and rights to a group of users rather than to individual user accounts. Permissions control what users can do with a resource such as a folder file or printer. Rights allow users to perform system tasks such as changing the time on a computer and backing up or restoring files. Windows XP Professional creates local groups in the local security database so you can use local groups only on the computer on which you create them. You can use the Computer Management snap-in to create add members to and delete local groups. All computers running Windows XP Professional have built-in local groups that give rights to perform system tasks on a single computer. Computers running Windows XP Professional also have built-in system groups whose membership is determined dynamically. 7-46 Chapter 7 Setting Up and Managing User Accounts Case Scenario Exercise In this exercise you will read a scenario about creating users and groups and then answer the questions that follow. If you have difficulty completing this work review the material in this chapter before beginning the next chapter. You can find answers to these questions in the Questions and Answers section at the end of this chapter. Scenario You are an administrator working for the Baldwin Museum of Science. The museum has hired
