Network Operations第 57 / 100 题
A network is configured so that DHCP requests from a remote subnet are forwarded to a central DHCP server. Which feature enables this?
a.DNS forwarding
b.Proxy ARP
c.Port forwarding
d.DHCP relay (IP helper)
解析
A DHCP relay, configured with an IP helper address, forwards broadcast DHCP requests from a client subnet to a DHCP server on another subnet. This allows one central server to serve many subnets. Without it, DHCP broadcasts would not cross the router.
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