[单选题]OSPF的度量值是什么()

正确答案 ：D

链路状态

[多选题]Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)

正确答案 ：AB

The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.

The DHCP Discover message uses UDP as the transport layer protocol.

解析：A,B 解析：Explanation:

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