Which of the following statements are correct in regard to classless routing protocols?()
A. Discontiguous subnets are not allowed.
B. Variable length subnet masks are allowed.
C. RIP v1 is a classless routing protocol.
D. IGRP supports classless routing within the same autonomous system.
E. RIP v2 supports classless routing.
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动物骨骼有些是空心的,从力学角度分析它有什么意义?
服装商品的差价有:服装的批零差价、()、服装的季节差价、()。
在紧急制动缓解状态,下列哪些操作在主控端不会产生紧急制动()。
A. BV手柄拔取
B. MR旋塞关闭
C. 电气连接切换器在合并位
D. 按下客室端部红色紧急按钮
飞轮与曲轴装合后应检查飞轮工作面对曲轴轴线的端面全跳动量。()
A. 正确
B. 错误