单项选择题 You have created a dial-up connection to your Internet service provider (ISP) on your home computer. You configure the dial-up connection Security tab as shown in the Dial-up Security dialog box.  You attempt to connect to the ISP. You view the status change from Dialing to Verifying user name and password. After several seconds, the status changes to Disconnecting. You are the disconnected from the computer you dialed. You verify that your user name and password are entered correctly. You want to enable your computer to connect to your ISP. What should you do?（）

单项选择题 You administer a Windows 2000 Professional desktop computer. TKPrinter1 is a printer used by the engineering and research departments. The printer is shared from the Windows 2000 Professional computer that you administer. The engineering department frequently prints documents that are several pages in length， which takes a long time to print. Users in the research department who have small files to print often must wait a long time for their jobs to print. You want to reduce the time it takes for the user in research department to print their files. You want to accomplish this with the least amount of administrative effort.  What should you do？（）

单项选择题 You administer Companys network that consists of 100 Windows 2000 Professional computers and nine Windows 2000 Server computers. All users at Company save their work files in home folders on a network server. The network server is configured with two NTFS volumes. One of the NTFS volumes contains the home folders for the users at Company and the other NTFS volume contains a shared folder named PROGRESS, which is used for users to save temporary work files in. Disk quotas and Encrypting File System (EFS) is enabled on the NTFS volume with the home folders. All users have a default limit of 100 MB and the option to deny space to users who exceed their limit has been enabled.  A user reports that he cannot save any files to his home folder. He also cannot update files in his home folder. The user currently has no data stored in the PROGRESS folder. When he attempts to save files to his home folder, he receives the following error message: "Insufficient disk space." Other users are not experiencing this problem with their home folders. You want to allow the user to save files on the network server.  What should you do?（）