单项选择题
A. In folder options, select show hidden files and folders.
B. Perform the transfer again.
C. Reboot the system; access will be reset automatically.
D. Take ownership of the files.
单项选择题 A technician needs a wireless access point to cover most of the office. Which of the following should the technician perform FIRST to achieve this? （）
单项选择题 Which of the following IP addresses would a technician ping to verify the integrity of the local TCP/IP stack?（）
单项选择题 A newly installed floppy drive activity light stays on. Which of the following is the MOST likely problem?（）