单项选择题
When installing a wireless access point, which of the following should the technician perform FIRST?（）
A. Enable MAC filtering. B. Download and install the latest firmware. C. Disable DHCP. D. Change the default password.
单项选择题 Which of the following commands will map a shared network drive?（）
单项选择题 Which of the following uses port 110 by default?（）
单项选择题 Which of the following commands would verify the health of the sectors on a hard drive andrecover data on damaged sectors?（）
