多项选择题
Which of the following technologies can be used to remotely gain access to a server console？（）
A.PS/2 KVM B.LDAP C.VNC D.Remote desktop E.VPN
单项选择题 Which of the following is the correct term for a virtual machine?（）
单项选择题 WhichofthefollowingistheMINIMUMnumberofdisksnecessaryforaRAID50array？（）
单项选择题 WhichofthefollowingdevicesisusedtoprovideappropriatevoltagetotheCPU？（）
