I often go shopping _____________ Sunday afternoon. [ ]
A.
in
B.
at
C.
on
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【简答题】What is the maximum number of frames a switch of 16 Fast Ethernet (100 Mbps) ports may deal with if each port operates in full-duplex mode? 17 .一台具有 16 个快速以太网( 100 Mbps )端口的交换机可以处理的最大帧数是多少,如果每个端口都运行在全...