You are the administrator of a Windows 2000 network. The network includes a Windows 2000 Server computer that is used as a file server. More than 800 of Ezonexam.com's client computers are connected to this server. A shared folder named Data on the server is on an NTFS partition. The data folder contains more than 200 files. The permissions for the data folder are shown in the following table. Type of permission Account Permission Share Users Change NTFS Users Full Control You discover that users are connected to the Data folder. You have an immediate need to prevent 10 of the files in the Data folder from being modified. You want your actions to have the smallest possible effects on the users who are using other files on the server. What two actions should you take? (Choose Two)