how many neighbor commands required for establish ibgp peers in 4 routers？
国标规定，全脂乳粉脂肪不低于（） ["20－25％","26%","30－35％"]
What is an important consideration that should be taken into account when configuring shaped round robin？（） ["It enables policing.","Strict priority is not supported.","WRED must be previously enabled.","It enables WRR"]
进行清扫时，不得将清扫工具碰触旅客、物品，移动旅客物品时，应事先征得旅客同意并对旅客的配合（）。 ["表示谢意","表示敬意","表示满意","不以为然"]
学生在班级中是受教育者，是被管理者。
结构特征
