单项选择题 A server has a processor that allows it to calculate two applications at the same time. Which of the following describes this capability of the processor?（）

单项选择题 Memory utilization by the print spooler process is constantly climbing after users begin to print to acertain type of printer.  Which of the following is the MOST likely cause of the problem？（）

单项选择题 A user is reporting that access to a file server is much slower than it has been. The system administrator completes a test of the server using a system monitoring tool and compares it to the previously taken baseline. The comparison shows that there are no significant changes in the use of system resources. Which of the following actions should be taken to resolve this user problem?（）