单项选择题
A. Replace the newly installed memory modules with another known-working unit.
B. Remove and reseat the memory, and recheck the memory reported.
C. Leave the configuration intact, and check cabling to ensure nothing was loose during the installation.
D. Perform a BIOS upgrade on the machine.
单项选择题 When using CHKDSK, which of the following parameters locks the volume, locates bad sectorsand recovers readable information?（）
单项选择题 Which of the following commands should Mike, a technician, use to display the available switches of a command line utility?（）
单项选择题 A user has just moved a PC from one office to another. The patch cable and the NIC do notappear to be functioning in the new office but were working before the move. The patch cable is plugged in correctly to both the NIC and the wall jack. Which of the following actions should the technician take FIRST?（）