单项选择题

At a minimum how many NICs must a machine have to host virtual machines？（）

A. One NIC will support all virtual machines
B. One for each virtual machine and one for management
C. Three for each virtual machine
D. Two for each virtual machine and one for management

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In a Windows Server 2003 environment using PKI， a user encrypts several documents on a shared file server. That user account is then accidentally deleted.
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