单项选择题
A.10.0.0.1
B.127.0.0.1
C.169.254.0.1
D.192.168.0.1
单项选择题 A newly installed floppy drive activity light stays on. Which of the following is the MOST likely problem?（）
单项选择题 Which of the following is the correct path to add new local user accounts to a Windows 7computer?（）
单项选择题 A Windows OS has failed to load after a successful power on self test. Which of the following steps will help troubleshoot the problem?（）