单项选择题
A. If the wireless is enabled
B. If the laptop is connected to the correct gateway
C. If the SSID is enabled
D. If the DHCP address scheme is correct
单项选择题 Which of the following commands should Karen, a technician, use to examine and restoreprotected system files?（）
单项选择题 A color laser printer is producing pages where the ink smears when touched. Which of thefollowing components should be replaced?（）
单项选择题 Core files required for user applications are stored in which of the following locations?（）