单项选择题
A. Ntldr, boot.ini and ntdetect.com
B. IO.sys, boot.ini and ntboot.sys
C. IO.sys, Msdos.sys and boot.sys
D. Config.sys, msconfig.sys and boot.ini
单项选择题 Which of the following utilities, in Windows, can be configured to perform automatic disk defragmentation?（）
单项选择题 A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?（）
单项选择题 A technician is upgrading an internal IDE drive in a laptop. Which of the following HDD types is thetechnician MOST likely using?（）