单项选择题
A.Move the page file to a free drive.
B.Delete the file.
C.Add more memory.
D.Remove the page file from system properties.
单项选择题 Aworkstationisaddedtoanewlycreatedsubnetusing192.168.100.0/24.ADHCPserveris availableonsubnet192.168.101.0/24.TheuserisunabletoleaseanaddressfromtheDHCP server.WhichofthefollowingwouldBESTresolvetheproblem？（）
多项选择题 Which of the following is a bus mastering method?（）
单项选择题 Whichofthefollowingprotocolswouldbeusedtotestifonehostisreachablebyanotherhost，by sendingechorequestsandwaitingforechoreplies？（）