单项选择题
A.10.76.0.1
B.127.0.0.1
C.192.168.0.1
D.255.255.255.0
单项选择题 A technician suspects the AC voltage into a PC power supply is bad. Which of the following toolswould MOST likely be used to confirm the diagnosis?（）
单项选择题 A home user wants to setup a wireless network. Which of the following would be the MOST important consideration?（）
单项选择题 Which of the following does an out-of-memory error indicate on a printer?（）