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  3. Refer to the topology． The diagram rep

Refer to the topology． The diagram rep

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问题 Refer to the topology．The diagram represents a small network with a single connection to the Internet． Using the information shown, answer the following questions． If the router R1 has a packet with a destination address 192．168．1．255, what describes the operation of the network?
选项 A、R1 will forward the packet out all interfaces．B、R1 will drop this packet because this it is not a valid IP address．C、As R1 forwards the frame containing this packet, Sw-A will add 192．168．1．255 to its MAC table．D、R1 will encapsulate the packet in a frame with a destination MAC address of FF-FF-FF-FF-FFFF．E、As R1 forwards the frame containing this packet, Sw-A will forward it to the device assigned the IP address of 192．168．1．255．
答案A
解析
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