While installing an&e

单项选择题 While installing an application， the administrator is instructed to perform two final tasks prior to starting the application： 1.Set the ownership of a file named ’control_file’ to be owned by the user ’database’ and the group ’appsrvr’. 2.Change the permissions of ’control_file’ to 0766. After these two tasks have been completed， what will the file permissions look like when ’ls -l control_file’ is executed？（）: A、-rwxrw-rw- 1 database appsrvr 4913 Mar 17 08：24 control_file; B、-rw-r--r-- 1 appsrvr database 4913 Mar 17 08：24 control_file; C、-rw-r--r-- 1 database appsrvr 4913 Mar 17 08：24 control_file; D、-rwxrw-rw- 1 appsrvr database 4913 Mar 17 08：24 control_file

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