97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<ruby id="x0p5w"><output id="x0p5w"></output></ruby>

<ruby id="x0p5w"><xmp id="x0p5w"></xmp></ruby>

單項(xiàng)選擇題

Why does RSTP have a better convergence time than 802.1D？（）

A.it is newer
B.it has smaller timers
C.it has less overhead
D.it is not timer-based

你可能感興趣的試題

單項(xiàng)選擇題

Refer to the exhibit. Which of these is applied to the Bearer class？（）

A.WRED
B.traffic shaping
C.packet marking
D.packet classification
E.FIFO queuing within the class

單項(xiàng)選擇題

Refer to the exhibit. Which switching feature is being tested？（）

A.loop guard
B.PortFast
C.root guard
D.BDPU guard

<dd id="dv7pr"></dd>

<sup id="dv7pr"><pre id="dv7pr"></pre></sup>