单项选择题
根据下图，Switch1刚刚完成重启，并完成上电自检。HostA发送它的第一个侦到HostC，交换机首先会对switching table做什么操作（）
A.Switch1会添加192.168.23.4到switchingtable
B.Switch1添加192.168.23.12到switchingtable
C.Switch1添加000A 8A47.E612到switchingtable
D.Switch1添加000B DB95.2EE9到switchingtable
相关考题
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单项选择题
哪种扩频技术是802.11B定义使用的？（）
A.IR
B.DSSS
C.FHSS
D.DSSS and FHSS
E.IR，FHSS，and DSSS -
单项选择题
What is the effect of the following access list condition access-list 101 permit ip 10.25.30.0 0.0.0.255 any（）。
A.permit all packets matching the first three octets of the source address to all destinations
B.permit all packets matching the last octet of the destination address and accept all source addresses
C.permit all packets from the third subnet of the network address to all destinations
D.permit all packets matching the host bits in the source address to all destinations
E.permit all packets to destinations matching the first three octets in the destination address -
单项选择题
Which IPV6 routing protocol uses multicast group FF02::9 to send updates?（）
A.RIPng
B.OSPFv3
C.static
D.IS-ISfor IPv6
