臭曲
Which three protocols should be explicitly managed by using a CoPP policy on an Internet border router？（） ["SMTP","ICMP","BGP","SSH","RTP","BitTorrent","VTP"]
对于1850TSS系列产品，当数据在NNI端口传输时，设备会为数据加上T-MPLS包头该T-MLS包头长度为（）bits？ ["28","30","32","34"]
变矩器效率下降的原因是（） ["变矩器供油不足","油路系统中存在气泡","油温过高或过低","以上均正确"]
油菜高脚苗的形成主要是伸长（）。 ["上胚轴","下胚轴","中胚轴","上中下胚轴"]
酸曲
