If the router R1 has a packet with a destination address 192.168.1.255, what describes the operation of the network()。
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-FF-FF
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.
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在Word的编辑状态,选择了当前文档中的一个段落,进行“清除”操作(或按Del键),则()。
A. 同该段落被删除且不能恢复
B. 该段落被删除,但能恢复
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A. 1mm
B. 1.5mm
C. 1.8mm
D. 2mm