单项选择题 Which of the following must be configured on printers so that the server can properly monitor details on page counts?（）

多项选择题 For client computers to access the Internet when using DHCP, the DHCP server must have configurations for at LEAST which of the following? （）

单项选择题 Whichofthefollowingisthecorrecttermforavirtualmachine？（）