VoIP bearer traffic is typically marked to which DSCP value？（） ["cs3","cs7","ef","af41","af31","0（default）"]
MLPS TUNNEL保护中，保护的对象主要有（） ["链路保护","节点保护","链路和节点都可以保护","以上答案都不正确"]
从受教育权的来源看，受教育权属于人权的范畴。
When creating a QoS policy dialog box in Cisco UCSM， which four fields can be modified？（） [" name"," best-effort"," burst"," rate"," host control"]
大多数水产动物的性别从外形上是很难分辨的，只有通过解剖和观察性腺才能确定。但也有一些种类在外部特征上有雌雄差异，这就是所谓的外部性别。
班主任应该如何对学生进行学习指导？
