单项选择题
A. The WLAN card is 802.11g.
B. The WLAN card is 802.11b.
C. The WLAN card is 802.11n.
D. The WLAN card is 802.11a.
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?()
单项选择题 A system powers on, begins POST, displays the BIOS version information and then hangs with the error message ‘Error loading operating system’. Which of the following is MOST likely the cause of this issue? ()
单项选择题 A technician replaced a floppy drive and now the front indicator light is consistently illuminated.Which of the following is the cause for this?()