< table frame=above >只显示一个边框
What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table()。A.The switch will not forward unicast frames.B.The switch will forward the frame to a specific port.C.The switch will return a copy of the frame out the source port.D.The switch will remove the destination MAC from the switch table.E.The switch will forward the frame to all ports except the port on which it was received.
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设置表格边框色彩的HTML代码是()A、<table color=#> B、<th bordercolor=#> C、<table bordercolor=#> D、<th color=#>
设计一个边框为3的表格,下述哪个HTML是正确的?()A、<Table Border=3>B、<Table Cellspacing=3>C、<Table Cellpadding=3>D、<Table Width=3>
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<TABLE>标记是一个Table结构的最外层,它包括()等重要属性。A、表示表格边框粗细程度的属性BORDERB、表示每个表项单元的内容与表格边框之间所空开的距离的属CELLPADDINGC、表示表格名称信息的属性titleD、表示表格宽度的属性WIDTH