单选题
When does the E-series router start monitoring DHCP traffic using the DHCP External function?（）
发布日期：2022-06-20
A
When the discovery packet enters the router from the DHCP client.
B
Only when the offer packet enters the router from the DHCP server.
C
When the acknowledge packet enters the router from the DHCP server.
D
Only when the discovery packet leaves the router going to the DHCP server.
标签： "暂无标签"
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