单项选择题

A.DHCPB.DNSC.WINSD.NATAtechnicianisinstallingabasicrout……

A technician is installing a basic router for a SOHO network. After installing the router the PCs connected to it are not able to acquire an IP address. Which of the following did the technician fail to configure correctly？（）

A.DHCP
B.DNS
C.WINS
D.NAT

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